Exception handling in HBase is broken over client server connections
git-svn-id: https://svn.apache.org/repos/asf/lucene/hadoop/trunk/src/contrib/hbase@555282 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Jim Kellerman
parent
6f42c1f60f
commit
f613907a98
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@ -55,5 +55,6 @@ Trunk (unreleased changes)
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HADOOP-1466 Clean up visibility and javadoc issues in HBase.
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33. HADOOP-1538 Provide capability for client specified time stamps in HBase
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HADOOP-1466 Clean up visibility and javadoc issues in HBase.
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34. HADOOP-1589 Exception handling in HBase is broken over client server connections
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@ -15,6 +15,8 @@
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*/
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package org.apache.hadoop.hbase;
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import java.lang.reflect.Constructor;
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import java.lang.reflect.InvocationTargetException;
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import java.io.IOException;
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import java.util.ArrayList;
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import java.util.Collection;
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@ -154,31 +156,6 @@ public class HClient implements HConstants {
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return result;
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}
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protected void handleRemoteException(RemoteException e) throws IOException {
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String msg = e.getMessage();
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if(e.getClassName().equals("org.apache.hadoop.hbase.InvalidColumnNameException")) {
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throw new InvalidColumnNameException(msg);
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} else if(e.getClassName().equals("org.apache.hadoop.hbase.LockException")) {
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throw new LockException(msg);
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} else if(e.getClassName().equals("org.apache.hadoop.hbase.MasterNotRunningException")) {
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throw new MasterNotRunningException(msg);
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} else if(e.getClassName().equals("org.apache.hadoop.hbase.NoServerForRegionException")) {
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throw new NoServerForRegionException(msg);
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} else if(e.getClassName().equals("org.apache.hadoop.hbase.NotServingRegionException")) {
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throw new NotServingRegionException(msg);
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} else if(e.getClassName().equals("org.apache.hadoop.hbase.TableNotDisabledException")) {
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throw new TableNotDisabledException(msg);
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} else {
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throw e;
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}
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}
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/* Find the address of the master and connect to it
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*/
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protected void checkMaster() throws MasterNotRunningException {
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@ -284,8 +261,8 @@ public class HClient implements HConstants {
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checkMaster();
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try {
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this.master.createTable(desc);
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} catch (RemoteException e) {
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handleRemoteException(e);
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} catch (Exception e) {
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RemoteExceptionHandler.handleRemoteException(e);
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}
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}
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@ -302,8 +279,8 @@ public class HClient implements HConstants {
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try {
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this.master.deleteTable(tableName);
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} catch(RemoteException e) {
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handleRemoteException(e);
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} catch(Exception e) {
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RemoteExceptionHandler.handleRemoteException(e);
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}
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// Wait until first region is deleted
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@ -334,12 +311,17 @@ public class HClient implements HConstants {
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break;
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}
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} catch (Exception ex) {
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if(tries == numRetries - 1) { // no more tries left
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RemoteExceptionHandler.handleRemoteException(ex);
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}
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} finally {
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if(scannerId != -1L) {
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try {
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server.close(scannerId);
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} catch(Exception e) {
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LOG.warn(e);
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} catch(Exception ex) {
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LOG.warn(ex);
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}
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}
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}
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@ -367,8 +349,8 @@ public class HClient implements HConstants {
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try {
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this.master.addColumn(tableName, column);
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} catch(RemoteException e) {
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handleRemoteException(e);
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} catch (Exception e) {
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RemoteExceptionHandler.handleRemoteException(e);
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}
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}
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@ -386,8 +368,8 @@ public class HClient implements HConstants {
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try {
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this.master.deleteColumn(tableName, columnName);
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} catch(RemoteException e) {
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handleRemoteException(e);
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} catch(Exception e) {
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RemoteExceptionHandler.handleRemoteException(e);
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}
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}
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@ -405,8 +387,8 @@ public class HClient implements HConstants {
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try {
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this.master.enableTable(tableName);
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} catch(RemoteException e) {
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handleRemoteException(e);
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} catch(Exception e) {
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RemoteExceptionHandler.handleRemoteException(e);
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}
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// Wait until first region is enabled
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@ -447,6 +429,11 @@ public class HClient implements HConstants {
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break;
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}
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} catch (Exception e) {
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if(tries == numRetries - 1) { // no more retries
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RemoteExceptionHandler.handleRemoteException(e);
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}
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} finally {
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if(scannerId != -1L) {
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try {
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@ -488,8 +475,8 @@ public class HClient implements HConstants {
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try {
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this.master.disableTable(tableName);
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} catch(RemoteException e) {
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handleRemoteException(e);
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} catch(Exception e) {
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RemoteExceptionHandler.handleRemoteException(e);
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}
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// Wait until first region is disabled
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@ -530,6 +517,11 @@ public class HClient implements HConstants {
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break;
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}
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} catch(Exception e) {
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if(tries == numRetries - 1) { // no more retries
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RemoteExceptionHandler.handleRemoteException(e);
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}
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} finally {
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if(scannerId != -1L) {
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try {
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@ -561,7 +553,11 @@ public class HClient implements HConstants {
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*/
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public synchronized void shutdown() throws IOException {
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checkMaster();
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this.master.shutdown();
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try {
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this.master.shutdown();
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} catch(Exception e) {
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RemoteExceptionHandler.handleRemoteException(e);
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}
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}
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/*
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@ -741,10 +737,10 @@ public class HClient implements HConstants {
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try {
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rootRegion.getRegionInfo(HGlobals.rootRegionInfo.regionName);
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break;
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} catch(NotServingRegionException e) {
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} catch(Exception e) {
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if(tries == numRetries - 1) {
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// Don't bother sleeping. We've run out of retries.
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break;
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RemoteExceptionHandler.handleRemoteException(e);
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}
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// Sleep and retry finding root region.
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@ -822,13 +818,13 @@ public class HClient implements HConstants {
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if(servers.size() == 0) {
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// If we didn't find any servers then the table does not exist
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throw new RegionNotFoundException("table '" + tableName +
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"' does not exist in " + t);
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"' does not exist in " + t);
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}
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// We found at least one server for the table and now we're done.
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if (LOG.isDebugEnabled()) {
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LOG.debug("Found " + servers.size() + " server(s) for " +
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"location: " + t + " for tablename " + tableName);
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"location: " + t + " for tablename " + tableName);
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}
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break;
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}
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@ -868,19 +864,24 @@ public class HClient implements HConstants {
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servers.put(regionInfo.startKey,
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new RegionLocation(regionInfo, new HServerAddress(serverAddress)));
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}
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} catch (Exception e) {
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if(tries == numRetries - 1) { // no retries left
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RemoteExceptionHandler.handleRemoteException(e);
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}
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} finally {
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if(scannerId != -1L) {
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try {
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server.close(scannerId);
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} catch(Exception e) {
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LOG.warn(e);
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} catch(Exception ex) {
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LOG.warn(ex);
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}
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}
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}
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if(servers.size() == 0 && tries == this.numRetries - 1) {
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throw new NoServerForRegionException("failed to find server for "
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+ tableName + " after " + this.numRetries + " retries");
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+ tableName + " after " + this.numRetries + " retries");
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}
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if (servers.size() <= 0) {
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@ -891,7 +892,7 @@ public class HClient implements HConstants {
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}
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try {
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Thread.sleep(this.pause);
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} catch (InterruptedException e) {
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} catch (InterruptedException ie) {
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// continue
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}
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if (LOG.isDebugEnabled()) {
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@ -907,8 +908,8 @@ public class HClient implements HConstants {
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* @param regionServer - the server to connect to
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* @throws IOException
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*/
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protected synchronized HRegionInterface getHRegionConnection(
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HServerAddress regionServer) throws IOException{
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protected synchronized HRegionInterface getHRegionConnection (
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HServerAddress regionServer) throws IOException {
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getRegionServerInterface();
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@ -918,22 +919,29 @@ public class HClient implements HConstants {
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if (server == null) { // Get a connection
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long versionId = 0;
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try {
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versionId = serverInterfaceClass.getDeclaredField("versionID").getLong(server);
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versionId =
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serverInterfaceClass.getDeclaredField("versionID").getLong(server);
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} catch (IllegalAccessException e) {
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// Should never happen unless visibility of versionID changes
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throw new UnsupportedOperationException(
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"Unable to open a connection to a " + serverInterfaceClass.getName() + " server.", e);
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"Unable to open a connection to a " + serverInterfaceClass.getName()
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+ " server.", e);
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} catch (NoSuchFieldException e) {
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// Should never happen unless versionID field name changes in HRegionInterface
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throw new UnsupportedOperationException(
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"Unable to open a connection to a " + serverInterfaceClass.getName() + " server.", e);
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"Unable to open a connection to a " + serverInterfaceClass.getName()
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+ " server.", e);
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}
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server = (HRegionInterface) RPC.waitForProxy(
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serverInterfaceClass,
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versionId,
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regionServer.getInetSocketAddress(),
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this.conf);
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try {
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server = (HRegionInterface) RPC.waitForProxy(serverInterfaceClass,
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versionId, regionServer.getInetSocketAddress(), this.conf);
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} catch (Exception e) {
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RemoteExceptionHandler.handleRemoteException(e);
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}
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this.servers.put(regionServer.toString(), server);
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}
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@ -988,6 +996,9 @@ public class HClient implements HConstants {
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}
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}
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}
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} catch (Exception ex) {
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RemoteExceptionHandler.handleRemoteException(ex);
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} finally {
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if(scannerId != -1L) {
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server.close(scannerId);
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@ -1046,19 +1057,26 @@ public class HClient implements HConstants {
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* @throws IOException
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*/
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public byte[] get(Text row, Text column) throws IOException {
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RegionLocation info = null;
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byte [] value = null;
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for(int tries = 0; tries < numRetries && info == null; tries++) {
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info = getRegionLocation(row);
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for(int tries = 0; tries < numRetries; tries++) {
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RegionLocation info = getRegionLocation(row);
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HRegionInterface server = getHRegionConnection(info.serverAddress);
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try {
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value = getHRegionConnection(info.serverAddress).
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get(info.regionInfo.regionName, row, column);
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} catch (NotServingRegionException e) {
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value = server.get(info.regionInfo.regionName, row, column);
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break;
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} catch (Exception e) {
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if (tries == numRetries - 1) {
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throw e;
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RemoteExceptionHandler.handleRemoteException(e);
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}
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findRegion(info);
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}
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try {
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Thread.sleep(this.pause);
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} catch (InterruptedException x) {
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// continue
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}
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}
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return value;
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}
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@ -1073,20 +1091,28 @@ public class HClient implements HConstants {
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* @throws IOException
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*/
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public byte[][] get(Text row, Text column, int numVersions) throws IOException {
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RegionLocation info = null;
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byte [][] values = null;
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for(int tries = 0; tries < numRetries && info == null; tries++) {
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info = getRegionLocation(row);
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for(int tries = 0; tries < numRetries; tries++) {
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RegionLocation info = getRegionLocation(row);
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HRegionInterface server = getHRegionConnection(info.serverAddress);
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try {
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values = getHRegionConnection(info.serverAddress).get(
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info.regionInfo.regionName, row, column, numVersions);
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} catch(NotServingRegionException e) {
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values = server.get(info.regionInfo.regionName, row, column, numVersions);
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break;
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} catch(Exception e) {
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if(tries == numRetries - 1) {
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// No more tries
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throw e;
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RemoteExceptionHandler.handleRemoteException(e);
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}
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findRegion(info);
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}
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try {
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Thread.sleep(this.pause);
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} catch (InterruptedException x) {
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// continue
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}
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}
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if(values != null) {
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@ -1112,21 +1138,27 @@ public class HClient implements HConstants {
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*/
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public byte[][] get(Text row, Text column, long timestamp, int numVersions)
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throws IOException {
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RegionLocation info = null;
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byte [][] values = null;
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for(int tries = 0; tries < numRetries && info == null; tries++) {
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info = getRegionLocation(row);
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for(int tries = 0; tries < numRetries; tries++) {
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RegionLocation info = getRegionLocation(row);
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HRegionInterface server = getHRegionConnection(info.serverAddress);
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try {
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values = getHRegionConnection(info.serverAddress).
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get(info.regionInfo.regionName, row, column, timestamp, numVersions);
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values = server.get(info.regionInfo.regionName, row, column, timestamp, numVersions);
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break;
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} catch(NotServingRegionException e) {
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} catch(Exception e) {
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if(tries == numRetries - 1) {
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// No more tries
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throw e;
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RemoteExceptionHandler.handleRemoteException(e);
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}
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findRegion(info);
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}
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try {
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Thread.sleep(this.pause);
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} catch (InterruptedException x) {
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// continue
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}
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}
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if(values != null) {
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@ -1147,23 +1179,28 @@ public class HClient implements HConstants {
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* @throws IOException
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*/
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public SortedMap<Text, byte[]> getRow(Text row) throws IOException {
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RegionLocation info = null;
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KeyedData[] value = null;
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for(int tries = 0; tries < numRetries && info == null; tries++) {
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info = getRegionLocation(row);
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for(int tries = 0; tries < numRetries; tries++) {
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RegionLocation info = getRegionLocation(row);
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HRegionInterface server = getHRegionConnection(info.serverAddress);
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try {
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value = getHRegionConnection(info.serverAddress).getRow(
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info.regionInfo.regionName, row);
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value = server.getRow(info.regionInfo.regionName, row);
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break;
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} catch(NotServingRegionException e) {
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if(tries == numRetries - 1) {
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// No more tries
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throw e;
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RemoteExceptionHandler.handleRemoteException(e);
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}
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findRegion(info);
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}
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try {
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Thread.sleep(this.pause);
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} catch (InterruptedException x) {
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// continue
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||||
}
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}
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TreeMap<Text, byte[]> results = new TreeMap<Text, byte[]>();
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if(value != null && value.length != 0) {
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@ -1337,7 +1374,7 @@ public class HClient implements HConstants {
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try {
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this.currentServer.put(this.currentRegion, this.clientid, lockid, column,
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val);
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} catch(IOException e) {
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} catch(Exception e) {
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try {
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this.currentServer.abort(this.currentRegion, this.clientid, lockid);
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} catch(IOException e2) {
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@ -1345,7 +1382,7 @@ public class HClient implements HConstants {
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}
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this.currentServer = null;
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this.currentRegion = null;
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throw e;
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RemoteExceptionHandler.handleRemoteException(e);
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}
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}
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@ -1360,7 +1397,7 @@ public class HClient implements HConstants {
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try {
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this.currentServer.delete(this.currentRegion, this.clientid, lockid,
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column);
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} catch(IOException e) {
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} catch(Exception e) {
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try {
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this.currentServer.abort(this.currentRegion, this.clientid, lockid);
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} catch(IOException e2) {
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@ -1368,7 +1405,7 @@ public class HClient implements HConstants {
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}
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this.currentServer = null;
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this.currentRegion = null;
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||||
throw e;
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RemoteExceptionHandler.handleRemoteException(e);
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}
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||||
}
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@ -1381,10 +1418,10 @@ public class HClient implements HConstants {
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public void abort(long lockid) throws IOException {
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try {
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this.currentServer.abort(this.currentRegion, this.clientid, lockid);
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||||
} catch(IOException e) {
|
||||
} catch(Exception e) {
|
||||
this.currentServer = null;
|
||||
this.currentRegion = null;
|
||||
throw e;
|
||||
RemoteExceptionHandler.handleRemoteException(e);
|
||||
}
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||||
}
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||||
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@ -1410,9 +1447,10 @@ public class HClient implements HConstants {
|
|||
this.currentServer.commit(this.currentRegion, this.clientid, lockid,
|
||||
timestamp);
|
||||
|
||||
} finally {
|
||||
} catch (Exception e) {
|
||||
this.currentServer = null;
|
||||
this.currentRegion = null;
|
||||
RemoteExceptionHandler.handleRemoteException(e);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1425,7 +1463,7 @@ public class HClient implements HConstants {
|
|||
public void renewLease(long lockid) throws IOException {
|
||||
try {
|
||||
this.currentServer.renewLease(lockid, this.clientid);
|
||||
} catch(IOException e) {
|
||||
} catch(Exception e) {
|
||||
try {
|
||||
this.currentServer.abort(this.currentRegion, this.clientid, lockid);
|
||||
} catch(IOException e2) {
|
||||
|
|
@ -1433,7 +1471,7 @@ public class HClient implements HConstants {
|
|||
}
|
||||
this.currentServer = null;
|
||||
this.currentRegion = null;
|
||||
throw e;
|
||||
RemoteExceptionHandler.handleRemoteException(e);
|
||||
}
|
||||
}
|
||||
|
||||
|
|
@ -1521,19 +1559,19 @@ public class HClient implements HConstants {
|
|||
|
||||
break;
|
||||
|
||||
} catch(NotServingRegionException e) {
|
||||
} catch(Exception e) {
|
||||
if(tries == numRetries - 1) {
|
||||
// No more tries
|
||||
throw e;
|
||||
RemoteExceptionHandler.handleRemoteException(e);
|
||||
}
|
||||
findRegion(info);
|
||||
loadRegions();
|
||||
}
|
||||
}
|
||||
|
||||
} catch(IOException e) {
|
||||
} catch(Exception e) {
|
||||
close();
|
||||
throw e;
|
||||
RemoteExceptionHandler.handleRemoteException(e);
|
||||
}
|
||||
return true;
|
||||
}
|
||||
|
|
|
|||
|
|
@ -1205,11 +1205,13 @@ public class HMaster implements HConstants, HMasterInterface,
|
|||
try {
|
||||
values = server.next(scannerId);
|
||||
|
||||
} catch(NotServingRegionException e) {
|
||||
throw e;
|
||||
} catch(Exception e) {
|
||||
try {
|
||||
RemoteExceptionHandler.handleRemoteException(e);
|
||||
|
||||
} catch(IOException e) {
|
||||
LOG.error(e);
|
||||
} catch(Exception ex) {
|
||||
LOG.error(ex);
|
||||
}
|
||||
break;
|
||||
}
|
||||
|
||||
|
|
@ -1405,9 +1407,9 @@ public class HMaster implements HConstants, HMasterInterface,
|
|||
scanMetaRegion(server, scannerId, HGlobals.rootRegionInfo.regionName);
|
||||
break;
|
||||
|
||||
} catch(NotServingRegionException e) {
|
||||
} catch(Exception e) {
|
||||
if(tries == numRetries - 1) {
|
||||
throw e;
|
||||
RemoteExceptionHandler.handleRemoteException(e);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1437,9 +1439,9 @@ public class HMaster implements HConstants, HMasterInterface,
|
|||
}
|
||||
break;
|
||||
|
||||
} catch(NotServingRegionException e) {
|
||||
} catch(Exception e) {
|
||||
if(tries == numRetries - 1) {
|
||||
throw e;
|
||||
RemoteExceptionHandler.handleRemoteException(e);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1536,9 +1538,9 @@ public class HMaster implements HConstants, HMasterInterface,
|
|||
|
||||
break;
|
||||
|
||||
} catch(NotServingRegionException e) {
|
||||
} catch(Exception e) {
|
||||
if(tries == numRetries - 1) {
|
||||
throw e;
|
||||
RemoteExceptionHandler.handleRemoteException(e);
|
||||
}
|
||||
continue;
|
||||
}
|
||||
|
|
@ -1647,9 +1649,9 @@ public class HMaster implements HConstants, HMasterInterface,
|
|||
|
||||
break;
|
||||
|
||||
} catch(NotServingRegionException e) {
|
||||
} catch(Exception e) {
|
||||
if(tries == numRetries - 1) {
|
||||
throw e;
|
||||
RemoteExceptionHandler.handleRemoteException(e);
|
||||
}
|
||||
}
|
||||
pendingRegions.remove(regionName);
|
||||
|
|
@ -1752,9 +1754,9 @@ public class HMaster implements HConstants, HMasterInterface,
|
|||
assignAttempts.put(regionName, Long.valueOf(0L));
|
||||
break;
|
||||
|
||||
} catch(NotServingRegionException e) {
|
||||
} catch(Exception e) {
|
||||
if(tries == numRetries - 1) {
|
||||
throw e;
|
||||
RemoteExceptionHandler.handleRemoteException(e);
|
||||
}
|
||||
}
|
||||
}
|
||||
|
|
@ -1941,9 +1943,9 @@ public class HMaster implements HConstants, HMasterInterface,
|
|||
} // for(MetaRegion m:)
|
||||
} // synchronized(metaScannerLock)
|
||||
|
||||
} catch(NotServingRegionException e) {
|
||||
} catch(Exception e) {
|
||||
if(tries == numRetries - 1) {
|
||||
throw e;
|
||||
RemoteExceptionHandler.handleRemoteException(e);
|
||||
}
|
||||
continue;
|
||||
}
|
||||
|
|
@ -2028,12 +2030,10 @@ public class HMaster implements HConstants, HMasterInterface,
|
|||
LOG.debug("updated columns in row: " + i.regionName);
|
||||
}
|
||||
|
||||
} catch(NotServingRegionException e) {
|
||||
throw e;
|
||||
|
||||
} catch(IOException e) {
|
||||
} catch(Exception e) {
|
||||
LOG.error("column update failed in row: " + i.regionName);
|
||||
LOG.error(e);
|
||||
RemoteExceptionHandler.handleRemoteException(e);
|
||||
|
||||
} finally {
|
||||
try {
|
||||
|
|
@ -2182,11 +2182,10 @@ public class HMaster implements HConstants, HMasterInterface,
|
|||
if(LOG.isDebugEnabled()) {
|
||||
LOG.debug("updated columns in row: " + i.regionName);
|
||||
}
|
||||
} catch(NotServingRegionException e) {
|
||||
throw e;
|
||||
} catch(IOException e) {
|
||||
} catch(Exception e) {
|
||||
LOG.error("column update failed in row: " + i.regionName);
|
||||
LOG.error(e);
|
||||
RemoteExceptionHandler.handleRemoteException(e);
|
||||
|
||||
} finally {
|
||||
if(lockid != -1L) {
|
||||
|
|
|
|||
|
|
@ -0,0 +1,91 @@
|
|||
/**
|
||||
* Copyright 2007 The Apache Software Foundation
|
||||
*
|
||||
* Licensed under the Apache License, Version 2.0 (the "License");
|
||||
* you may not use this file except in compliance with the License.
|
||||
* You may obtain a copy of the License at
|
||||
*
|
||||
* http://www.apache.org/licenses/LICENSE-2.0
|
||||
*
|
||||
* Unless required by applicable law or agreed to in writing, software
|
||||
* distributed under the License is distributed on an "AS IS" BASIS,
|
||||
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
|
||||
* See the License for the specific language governing permissions and
|
||||
* limitations under the License.
|
||||
*/
|
||||
package org.apache.hadoop.hbase;
|
||||
|
||||
import java.io.IOException;
|
||||
import java.lang.reflect.Constructor;
|
||||
import java.lang.reflect.InvocationTargetException;
|
||||
|
||||
import org.apache.hadoop.ipc.RemoteException;
|
||||
|
||||
/**
|
||||
* An immutable class which contains a static method for handling
|
||||
* org.apache.hadoop.ipc.RemoteException exceptions.
|
||||
*/
|
||||
public class RemoteExceptionHandler {
|
||||
private RemoteExceptionHandler(){} // not instantiable
|
||||
|
||||
/**
|
||||
* Converts org.apache.hadoop.ipc.RemoteException into original exception,
|
||||
* if possible.
|
||||
*
|
||||
* @param e original exception
|
||||
* @throws IOException
|
||||
*/
|
||||
@SuppressWarnings("unchecked")
|
||||
public static void handleRemoteException(final Exception e) throws IOException {
|
||||
Exception ex = e;
|
||||
if (e instanceof RemoteException) {
|
||||
RemoteException r = (RemoteException) e;
|
||||
|
||||
Class c = null;
|
||||
try {
|
||||
c = Class.forName(r.getClassName());
|
||||
|
||||
} catch (ClassNotFoundException x) {
|
||||
throw r;
|
||||
}
|
||||
|
||||
Constructor ctor = null;
|
||||
try {
|
||||
Class[] parameterTypes = { String.class };
|
||||
ctor = c.getConstructor(parameterTypes);
|
||||
|
||||
} catch (NoSuchMethodException x) {
|
||||
throw r;
|
||||
}
|
||||
|
||||
try {
|
||||
Object[] arguments = { r.getMessage() };
|
||||
|
||||
ex = (Exception) ctor.newInstance(arguments);
|
||||
|
||||
} catch (IllegalAccessException x) {
|
||||
throw r;
|
||||
|
||||
} catch (InvocationTargetException x) {
|
||||
throw r;
|
||||
|
||||
} catch (InstantiationException x) {
|
||||
throw r;
|
||||
}
|
||||
}
|
||||
|
||||
if (ex instanceof IOException) {
|
||||
IOException io = (IOException) ex;
|
||||
throw io;
|
||||
|
||||
} else if (ex instanceof RuntimeException) {
|
||||
RuntimeException re = (RuntimeException) ex;
|
||||
throw re;
|
||||
|
||||
} else {
|
||||
AssertionError a = new AssertionError("unexpected exception");
|
||||
a.initCause(ex);
|
||||
throw a;
|
||||
}
|
||||
}
|
||||
}
|
||||
Loading…
Reference in New Issue