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HBASE-27390 getClusterMetrics NullPointerException when ServerTask status null (#4853) 

Signed-off-by: Bryan Beaudreault <bbeaudreault@apache.org>
This commit is contained in:
Bri Augenreich 2022-12-15 09:46:21 -05:00 committed by GitHub
parent 96e88144de
commit 105a2749f4
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GPG Key ID: 4AEE18F83AFDEB23
7 changed files with 22 additions and 17 deletions
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4
hbase-server/src/main/java/org/apache/hadoop/hbase/monitoring/MonitoredRPCHandlerImpl.java
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@ -44,8 +44,8 @@ public class MonitoredRPCHandlerImpl extends MonitoredTaskImpl implements Monito
private boolean snapshot = false;
private Map<String, Object> callInfoMap = new HashMap<>();
public MonitoredRPCHandlerImpl() {
super(false);
public MonitoredRPCHandlerImpl(String description) {
super(false, description);
// in this implementation, WAITING indicates that the handler is not
// actively servicing an RPC call.
setState(State.WAITING);

7
hbase-server/src/main/java/org/apache/hadoop/hbase/monitoring/MonitoredTaskImpl.java
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@ -28,6 +28,7 @@ import org.apache.hadoop.hbase.util.EnvironmentEdgeManager;
import org.apache.hadoop.hbase.util.GsonUtil;
import org.apache.yetus.audience.InterfaceAudience;
import org.apache.hbase.thirdparty.com.google.common.base.Preconditions;
import org.apache.hbase.thirdparty.com.google.common.collect.ImmutableList;
import org.apache.hbase.thirdparty.com.google.gson.Gson;
@ -46,11 +47,13 @@ class MonitoredTaskImpl implements MonitoredTask {
private static final Gson GSON = GsonUtil.createGson().create();
public MonitoredTaskImpl(boolean enableJournal) {
public MonitoredTaskImpl(boolean enableJournal, String description) {
startTime = EnvironmentEdgeManager.currentTime();
statusTime = startTime;
stateTime = startTime;
warnTime = startTime;
this.description = description;
this.status = "status unset";
if (enableJournal) {
journal = new ConcurrentLinkedQueue<>();
} else {
@ -161,6 +164,7 @@ class MonitoredTaskImpl implements MonitoredTask {
@Override
public void setStatus(String status) {
Preconditions.checkNotNull(status, "Status is null");
this.status = status;
statusTime = EnvironmentEdgeManager.currentTime();
if (journal != null) {
@ -175,6 +179,7 @@ class MonitoredTaskImpl implements MonitoredTask {
@Override
public void setDescription(String description) {
Preconditions.checkNotNull(description, "Description is null");
this.description = description;
}

6
hbase-server/src/main/java/org/apache/hadoop/hbase/monitoring/TaskMonitor.java
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@ -94,8 +94,7 @@ public class TaskMonitor {
public synchronized MonitoredTask createStatus(String description, boolean ignore,
boolean enableJournal) {
MonitoredTask stat = new MonitoredTaskImpl(enableJournal);
stat.setDescription(description);
MonitoredTask stat = new MonitoredTaskImpl(enableJournal, description);
MonitoredTask proxy = (MonitoredTask) Proxy.newProxyInstance(stat.getClass().getClassLoader(),
new Class<?>[] { MonitoredTask.class }, new PassthroughInvocationHandler<>(stat));
TaskAndWeakRefPair pair = new TaskAndWeakRefPair(stat, proxy);
@ -109,8 +108,7 @@ public class TaskMonitor {
}
public synchronized MonitoredRPCHandler createRPCStatus(String description) {
MonitoredRPCHandler stat = new MonitoredRPCHandlerImpl();
stat.setDescription(description);
MonitoredRPCHandler stat = new MonitoredRPCHandlerImpl(description);
MonitoredRPCHandler proxy =
(MonitoredRPCHandler) Proxy.newProxyInstance(stat.getClass().getClassLoader(),
new Class<?>[] { MonitoredRPCHandler.class }, new PassthroughInvocationHandler<>(stat));

8
hbase-server/src/test/java/org/apache/hadoop/hbase/ipc/TestCallRunner.java
View File

@ -81,7 +81,7 @@ public class TestCallRunner {
TraceUtil.trace(() -> {
CallRunner cr = new CallRunner(mockRpcServer, mockCall);
cr.setStatus(new MonitoredRPCHandlerImpl());
cr.setStatus(new MonitoredRPCHandlerImpl("test"));
cr.run();
}, testName.getMethodName());
@ -101,7 +101,7 @@ public class TestCallRunner {
TraceUtil.trace(() -> {
CallRunner cr = new CallRunner(mockRpcServer, mockCall);
cr.setStatus(new MonitoredRPCHandlerImpl());
cr.setStatus(new MonitoredRPCHandlerImpl("test"));
cr.run();
}, testName.getMethodName());
Mockito.verify(mockCall, Mockito.times(1)).cleanup();
@ -116,7 +116,7 @@ public class TestCallRunner {
TraceUtil.trace(() -> {
CallRunner cr = new CallRunner(mockRpcServer, mockCall);
cr.setStatus(new MonitoredRPCHandlerImpl());
cr.setStatus(new MonitoredRPCHandlerImpl("test"));
cr.drop();
}, testName.getMethodName());
Mockito.verify(mockCall, Mockito.times(1)).cleanup();
@ -142,7 +142,7 @@ public class TestCallRunner {
TraceUtil.trace(() -> {
CallRunner cr = new CallRunner(mockRpcServer, mockCall);
cr.setStatus(new MonitoredRPCHandlerImpl());
cr.setStatus(new MonitoredRPCHandlerImpl("test"));
cr.drop();
}, testName.getMethodName());
Mockito.verify(mockCall, Mockito.times(1)).cleanup();

2
hbase-server/src/test/java/org/apache/hadoop/hbase/ipc/TestFifoRpcScheduler.java
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@ -113,7 +113,7 @@ public class TestFifoRpcScheduler {
for (int i = totalCallMethods; i > 0; i--) {
CallRunner task = createMockTask();
task.setStatus(new MonitoredRPCHandlerImpl());
task.setStatus(new MonitoredRPCHandlerImpl("test"));
if (!scheduler.dispatch(task)) {
unableToDispatch++;

8
hbase-server/src/test/java/org/apache/hadoop/hbase/ipc/TestSimpleRpcScheduler.java
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@ -109,7 +109,7 @@ public class TestSimpleRpcScheduler {
scheduler.init(CONTEXT);
scheduler.start();
CallRunner task = createMockTask();
task.setStatus(new MonitoredRPCHandlerImpl());
task.setStatus(new MonitoredRPCHandlerImpl("test"));
scheduler.dispatch(task);
verify(task, timeout(10000)).run();
scheduler.stop();
@ -164,7 +164,7 @@ public class TestSimpleRpcScheduler {
int totalCallMethods = 10;
for (int i = totalCallMethods; i > 0; i--) {
CallRunner task = createMockTask();
task.setStatus(new MonitoredRPCHandlerImpl());
task.setStatus(new MonitoredRPCHandlerImpl("test"));
scheduler.dispatch(task);
}
@ -205,7 +205,7 @@ public class TestSimpleRpcScheduler {
}
};
for (CallRunner task : tasks) {
task.setStatus(new MonitoredRPCHandlerImpl());
task.setStatus(new MonitoredRPCHandlerImpl("test"));
doAnswer(answerToRun).when(task).run();
}
@ -524,7 +524,7 @@ public class TestSimpleRpcScheduler {
private void doAnswerTaskExecution(final CallRunner callTask, final ArrayList<Integer> results,
final int value, final int sleepInterval) {
callTask.setStatus(new MonitoredRPCHandlerImpl());
callTask.setStatus(new MonitoredRPCHandlerImpl("test"));
doAnswer(new Answer<Object>() {
@Override
public Object answer(InvocationOnMock invocation) {

4
hbase-server/src/test/java/org/apache/hadoop/hbase/monitoring/TestTaskMonitor.java
View File

@ -63,6 +63,8 @@ public class TestTaskMonitor {
assertEquals(task.getDescription(), taskFromTm.getDescription());
assertEquals(-1, taskFromTm.getCompletionTimestamp());
assertEquals(MonitoredTask.State.RUNNING, taskFromTm.getState());
assertEquals(task.getStatus(), taskFromTm.getStatus());
assertEquals("status unset", taskFromTm.getStatus());
// Mark it as finished
task.markComplete("Finished!");
@ -229,7 +231,7 @@ public class TestTaskMonitor {
@Test
public void testClone() throws Exception {
MonitoredRPCHandlerImpl monitor = new MonitoredRPCHandlerImpl();
MonitoredRPCHandlerImpl monitor = new MonitoredRPCHandlerImpl("test");
monitor.abort("abort RPC");
TestParam testParam = new TestParam("param1");
monitor.setRPC("method1", new Object[] { testParam }, 0);