SOLR-4688, add tests related to reporting ore init failures and lazy loaded cores

git-svn-id: https://svn.apache.org/repos/asf/lucene/dev/trunk@1519180 13f79535-47bb-0310-9956-ffa450edef68
This commit is contained in:
Erick Erickson 2013-08-31 13:20:48 +00:00
parent e175f424a7
commit 2ddb8154f4
4 changed files with 261 additions and 45 deletions

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@ -484,7 +484,9 @@ public class CoreContainer {
config = new SolrConfig(solrLoader, dcore.getConfigName(), null);
} catch (Exception e) {
log.error("Failed to load file {}", new File(instanceDir, dcore.getConfigName()).getAbsolutePath());
throw new SolrException(ErrorCode.SERVER_ERROR, "Could not load config for " + dcore.getConfigName(), e);
throw new SolrException(ErrorCode.SERVER_ERROR,
"Could not load config file " + new File(instanceDir, dcore.getConfigName()).getAbsolutePath(),
e);
}
IndexSchema schema = null;

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@ -51,6 +51,7 @@ import javax.xml.xpath.XPath;
import javax.xml.xpath.XPathConstants;
import javax.xml.xpath.XPathExpressionException;
import java.io.File;
import java.io.IOException;
import java.io.Writer;
import java.util.ArrayList;
@ -605,10 +606,13 @@ public class IndexSchema {
aware.inform(this);
}
} catch (SolrException e) {
throw e;
throw new SolrException(ErrorCode.getErrorCode(e.code()), e.getMessage() + ". Schema file is " +
loader.getInstanceDir() + resourceName, e);
} catch(Exception e) {
// unexpected exception...
throw new SolrException(ErrorCode.SERVER_ERROR, "Schema Parsing Failed: " + e.getMessage(), e);
throw new SolrException(ErrorCode.SERVER_ERROR,
"Schema Parsing Failed: " + e.getMessage() + ". Schema file is " + loader.getInstanceDir() + resourceName,
e);
}
// create the field analyzers

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@ -17,8 +17,8 @@ package org.apache.solr.core;
* limitations under the License.
*/
import org.apache.commons.codec.Charsets;
import org.apache.commons.io.FileUtils;
import org.apache.lucene.util.IOUtils;
import org.apache.solr.SolrTestCaseJ4;
import org.apache.solr.common.SolrException;
import org.apache.solr.common.params.CoreAdminParams;
@ -40,9 +40,12 @@ import org.junit.Test;
import java.io.File;
import java.io.IOException;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collection;
import java.util.HashMap;
import java.util.List;
import java.util.Map;
import java.util.regex.Pattern;
public class TestLazyCores extends SolrTestCaseJ4 {
@ -51,7 +54,7 @@ public class TestLazyCores extends SolrTestCaseJ4 {
initCore("solrconfig-minimal.xml", "schema-tiny.xml");
}
private final File solrHomeDirectory = new File(TEMP_DIR, "org.apache.solr.core.TestLazyCores_testlazy");
private final File solrHomeDirectory = new File(TEMP_DIR, TestLazyCores.getSimpleClassName());
private CoreContainer init() throws Exception {
@ -66,7 +69,7 @@ public class TestLazyCores extends SolrTestCaseJ4 {
SolrResourceLoader loader = new SolrResourceLoader(solrHomeDirectory.getAbsolutePath());
File solrXml = new File(solrHomeDirectory, "solr.xml");
FileUtils.write(solrXml, LOTS_SOLR_XML, IOUtils.CHARSET_UTF_8.toString());
FileUtils.write(solrXml, LOTS_SOLR_XML, Charsets.UTF_8.toString());
ConfigSolrXmlOld config = (ConfigSolrXmlOld) ConfigSolr.fromFile(loader, solrXml);
CoresLocator locator = new SolrXMLCoresLocator.NonPersistingLocator(LOTS_SOLR_XML, config);
@ -127,6 +130,40 @@ public class TestLazyCores extends SolrTestCaseJ4 {
// This is a little weak. I'm not sure how to test that lazy core2 is loaded automagically. The getCore
// will, of course, load it.
private void checkSearch(SolrCore core) throws IOException {
addLazy(core, "id", "0");
addLazy(core, "id", "1", "v_t", "Hello Dude");
addLazy(core, "id", "2", "v_t", "Hello Yonik");
addLazy(core, "id", "3", "v_s", "{!literal}");
addLazy(core, "id", "4", "v_s", "other stuff");
addLazy(core, "id", "5", "v_f", "3.14159");
addLazy(core, "id", "6", "v_f", "8983");
SolrQueryRequest req = makeReq(core);
CommitUpdateCommand cmtCmd = new CommitUpdateCommand(req, false);
core.getUpdateHandler().commit(cmtCmd);
// Just get a couple of searches to work!
assertQ("test prefix query",
makeReq(core, "q", "{!prefix f=v_t}hel", "wt", "xml")
, "//result[@numFound='2']"
);
assertQ("test raw query",
makeReq(core, "q", "{!raw f=v_t}hello", "wt", "xml")
, "//result[@numFound='2']"
);
// no analysis is done, so these should match nothing
assertQ("test raw query",
makeReq(core, "q", "{!raw f=v_t}Hello", "wt", "xml")
, "//result[@numFound='0']"
);
assertQ("test raw query",
makeReq(core, "q", "{!raw f=v_f}1.5", "wt", "xml")
, "//result[@numFound='0']"
);
}
@Test
public void testLazySearch() throws Exception {
CoreContainer cc = init();
@ -135,31 +172,7 @@ public class TestLazyCores extends SolrTestCaseJ4 {
checkNotInCores(cc, "collectionLazy4");
SolrCore core4 = cc.getCore("collectionLazy4");
addLazy(core4, "id", "0");
addLazy(core4, "id", "1", "v_t", "Hello Dude");
addLazy(core4, "id", "2", "v_t", "Hello Yonik");
addLazy(core4, "id", "3", "v_s", "{!literal}");
addLazy(core4, "id", "4", "v_s", "other stuff");
addLazy(core4, "id", "5", "v_f", "3.14159");
addLazy(core4, "id", "6", "v_f", "8983");
SolrQueryRequest req = makeReq(core4);
CommitUpdateCommand cmtCmd = new CommitUpdateCommand(req, false);
core4.getUpdateHandler().commit(cmtCmd);
RefCounted<SolrIndexSearcher> holder = core4.getSearcher();
SolrIndexSearcher searcher = holder.get();
// Just get a couple of searches to work!
assertQ("test prefix query",
makeReq(core4, "q", "{!prefix f=v_t}hel", "wt", "xml")
, "//result[@numFound='2']"
);
assertQ("test raw query",
makeReq(core4, "q", "{!raw f=v_t}hello", "wt", "xml")
, "//result[@numFound='2']"
);
checkSearch(core4);
// Now just insure that the normal searching on "collection1" finds _0_ on the same query that found _2_ above.
// Use of makeReq above and req below is tricky, very tricky.
@ -168,19 +181,8 @@ public class TestLazyCores extends SolrTestCaseJ4 {
, "//result[@numFound='0']"
);
// no analysis is done, so these should match nothing
assertQ("test raw query",
makeReq(core4, "q", "{!raw f=v_t}Hello", "wt", "xml")
, "//result[@numFound='0']"
);
assertQ("test raw query",
makeReq(core4, "q", "{!raw f=v_f}1.5", "wt", "xml")
, "//result[@numFound='0']"
);
checkInCores(cc, "collectionLazy4");
searcher.close();
core4.close();
} finally {
cc.shutdown();
@ -400,6 +402,204 @@ public class TestLazyCores extends SolrTestCaseJ4 {
}
}
// Test that transient cores
// 1> produce errors as appropriate when the config or schema files are foo'd
// 2> "self heal". That is, if the problem is corrected can the core be reloaded and used?
// 3> that OK cores can be searched even when some cores failed to load.
@Test
public void testBadConfigsGenerateErrors() throws Exception {
final CoreContainer cc = initGoodAndBad(Arrays.asList("core1", "core2"),
Arrays.asList("badSchema1", "badSchema2"),
Arrays.asList("badConfig1", "badConfig2"));
try {
// first, did the two good cores load successfully?
checkInCores(cc, "core1", "core2");
// Did the bad cores fail to load?
checkNotInCores(cc, "badSchema1", "badSchema2", "badConfig1", "badConfig2");
// Can we still search the "good" cores even though there were core init failures?
SolrCore core1 = cc.getCore("core1");
checkSearch(core1);
// Did we get the expected message for each of the cores that failed to load? Make sure we don't run afoul of
// the dreaded slash/backslash difference on Windows and *nix machines.
testMessage(cc.getCoreInitFailures(),
"TestLazyCores" + File.separator + "badConfig1" + File.separator + "solrconfig.xml");
testMessage(cc.getCoreInitFailures(),
"TestLazyCores" + File.separator + "badConfig2" + File.separator + "solrconfig.xml");
testMessage(cc.getCoreInitFailures(),
"TestLazyCores" + File.separator + "badSchema1" + File.separator + "schema.xml");
testMessage(cc.getCoreInitFailures(),
"TestLazyCores" + File.separator + "badSchema2" + File.separator + "schema.xml");
// Status should report that there are failure messages for the bad cores and none for the good cores.
checkStatus(cc, true, "core1");
checkStatus(cc, true, "core2");
checkStatus(cc, false, "badSchema1");
checkStatus(cc, false, "badSchema2");
checkStatus(cc, false, "badConfig1");
checkStatus(cc, false, "badConfig2");
// Copy good config and schema files in and see if you can then load them (they are transient after all)
copyGoodConf("badConfig1", "solrconfig-minimal.xml", "solrconfig.xml");
copyGoodConf("badConfig2", "solrconfig-minimal.xml", "solrconfig.xml");
copyGoodConf("badSchema1", "schema-tiny.xml", "schema.xml");
copyGoodConf("badSchema2", "schema-tiny.xml", "schema.xml");
// This should force a reload of the cores.
SolrCore bc1 = cc.getCore("badConfig1");
SolrCore bc2 = cc.getCore("badConfig2");
SolrCore bs1 = cc.getCore("badSchema1");
SolrCore bs2 = cc.getCore("badSchema2");
// all the cores should be found in the list now.
checkInCores(cc, "core1", "core2", "badSchema1", "badSchema2", "badConfig1", "badConfig2");
// Did we clear out the errors by putting good files in place? And the cores that never were bad should be OK too.
checkStatus(cc, true, "core1");
checkStatus(cc, true, "core2");
checkStatus(cc, true, "badSchema1");
checkStatus(cc, true, "badSchema2");
checkStatus(cc, true, "badConfig1");
checkStatus(cc, true, "badConfig2");
// Are the formerly bad cores now searchable? Testing one of each should do.
checkSearch(core1);
checkSearch(bc1);
checkSearch(bs1);
core1.close();
bc1.close();
bc2.close();
bs1.close();
bs2.close();
} finally {
cc.shutdown();
}
}
// See fi the message you expect is in the list of failures
private void testMessage(Map<String, Exception> failures, String lookFor) {
for (Exception e : failures.values()) {
if (e.getMessage().indexOf(lookFor) != -1) return;
}
fail("Should have found message containing these tokens " + lookFor + " in the failure messages");
}
// Just localizes writing a configuration rather than repeating it for good and bad files.
private void writeCustomConfig(String coreName, String config, String schema, String rand_snip) throws IOException {
File coreRoot = new File(solrHomeDirectory, coreName);
File subHome = new File(coreRoot, "conf");
if (!coreRoot.exists()) {
assertTrue("Failed to make subdirectory ", coreRoot.mkdirs());
}
// Write the file for core discovery
FileUtils.writeStringToFile(new File(coreRoot, "core.properties"), "name=" + coreName +
System.getProperty("line.separator") + "transient=true" +
System.getProperty("line.separator") + "loadOnStartup=true", Charsets.UTF_8.toString());
FileUtils.writeStringToFile(new File(subHome, "solrconfig.snippet.randomindexconfig.xml"), rand_snip);
FileUtils.writeStringToFile(new File(subHome, "solrconfig.xml"), config, Charsets.UTF_8.toString());
FileUtils.writeStringToFile(new File(subHome, "schema.xml"), schema, Charsets.UTF_8.toString());
}
// Write out the cores' config files, both bad schema files, bad config files as well as some good cores.
private CoreContainer initGoodAndBad(List<String> goodCores,
List<String> badSchemaCores,
List<String> badConfigCores) throws Exception {
// Don't pollute the log with exception traces when they're expected.
ignoreException(Pattern.quote("SAXParseException"));
if (solrHomeDirectory.exists()) {
FileUtils.deleteDirectory(solrHomeDirectory);
}
assertTrue("Failed to mkdirs workDir", solrHomeDirectory.mkdirs());
// Create the cores that should be fine.
for (String coreName : goodCores) {
File coreRoot = new File(solrHomeDirectory, coreName);
copyMinConf(coreRoot, "name=" + coreName);
}
// Collect the files that we'll write to the config directories.
String top = SolrTestCaseJ4.TEST_HOME() + "/collection1/conf";
String min_schema = FileUtils.readFileToString(new File(top, "schema-tiny.xml"),
Charsets.UTF_8.toString());
String min_config = FileUtils.readFileToString(new File(top, "solrconfig-minimal.xml"),
Charsets.UTF_8.toString());
String rand_snip = FileUtils.readFileToString(new File(top, "solrconfig.snippet.randomindexconfig.xml"),
Charsets.UTF_8.toString());
// Now purposely mess up the config files, introducing stupid syntax errors.
String bad_config = min_config.replace("<requestHandler", "<reqsthalr");
String bad_schema = min_schema.replace("<field", "<filed");
// Create the cores with bad configs
for (String coreName : badConfigCores) {
writeCustomConfig(coreName, bad_config, min_schema, rand_snip);
}
// Create the cores with bad schemas.
for (String coreName : badSchemaCores) {
writeCustomConfig(coreName, min_config, bad_schema, rand_snip);
}
// Write the solr.xml file. Cute how minimal it can be now....
File solrXml = new File(solrHomeDirectory, "solr.xml");
FileUtils.write(solrXml, "<solr/>", Charsets.UTF_8.toString());
SolrResourceLoader loader = new SolrResourceLoader(solrHomeDirectory.getAbsolutePath());
ConfigSolrXml config = (ConfigSolrXml) ConfigSolr.fromFile(loader, solrXml);
CoresLocator locator = new CorePropertiesLocator(solrHomeDirectory.getAbsolutePath());
// OK this should succeed, but at the end we should have recorded a series of errors.
final CoreContainer cores = new CoreContainer(loader, config, locator);
cores.load();
return cores;
}
// We want to see that the core "heals itself" if an un-corrupted file is written to the directory.
private void copyGoodConf(String coreName, String srcName, String dstName) throws IOException {
File coreRoot = new File(solrHomeDirectory, coreName);
File subHome = new File(coreRoot, "conf");
String top = SolrTestCaseJ4.TEST_HOME() + "/collection1/conf";
FileUtils.copyFile(new File(top, srcName), new File(subHome, dstName));
}
// If ok==true, we shouldn't be seeing any failure cases.
// if ok==false, the core being examined should have a failure in the list.
private void checkStatus(CoreContainer cc, Boolean ok, String core) throws Exception {
SolrQueryResponse resp = new SolrQueryResponse();
final CoreAdminHandler admin = new CoreAdminHandler(cc);
admin.handleRequestBody
(req(CoreAdminParams.ACTION,
CoreAdminParams.CoreAdminAction.STATUS.toString(),
CoreAdminParams.CORE, core),
resp);
Map<String, Exception> failures =
(Map<String, Exception>) resp.getValues().get("initFailures");
if (ok) {
if (failures.size() != 0) {
fail("Should have cleared the error, but there are failues " + failures.toString());
}
} else {
if (failures.size() == 0) {
fail("Should have had errors here but the status return has no failures!");
}
}
}
private void removeOne(CoreContainer cc, String coreName) {
SolrCore tmp = cc.remove(coreName);
if (tmp != null) tmp.close();

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@ -20,6 +20,7 @@ package org.apache.solr;
import com.carrotsearch.randomizedtesting.RandomizedContext;
import com.carrotsearch.randomizedtesting.annotations.ThreadLeakFilters;
import com.carrotsearch.randomizedtesting.rules.SystemPropertiesRestoreRule;
import org.apache.commons.codec.Charsets;
import org.apache.commons.io.FileUtils;
import org.apache.lucene.analysis.MockAnalyzer;
import org.apache.lucene.index.IndexWriterConfig;
@ -1598,21 +1599,30 @@ public abstract class SolrTestCaseJ4 extends LuceneTestCase {
throw new RuntimeException("XPath is invalid", e2);
}
}
// Creates a mininmal conf dir.
public static void copyMinConf(File dstRoot) throws IOException {
copyMinConf(dstRoot, null);
}
// Creates a minimal conf dir. Optionally adding in a core.properties file from the string passed in
// the string to write to the core.properties file may be null in which case nothing is done with it.
// propertiesContent may be an empty string, which will actually work.
public static void copyMinConf(File dstRoot, String propertiesContent) throws IOException {
File subHome = new File(dstRoot, "conf");
if (! dstRoot.exists()) {
assertTrue("Failed to make subdirectory ", dstRoot.mkdirs());
}
if (propertiesContent != null) {
FileUtils.writeStringToFile(new File(dstRoot, "core.properties"), propertiesContent, Charsets.UTF_8.toString());
}
String top = SolrTestCaseJ4.TEST_HOME() + "/collection1/conf";
FileUtils.copyFile(new File(top, "schema-tiny.xml"), new File(subHome, "schema.xml"));
FileUtils.copyFile(new File(top, "solrconfig-minimal.xml"), new File(subHome, "solrconfig.xml"));
FileUtils.copyFile(new File(top, "solrconfig.snippet.randomindexconfig.xml"), new File(subHome, "solrconfig.snippet.randomindexconfig.xml"));
}
// Creates minimal full setup, including the old solr.xml file that used to be hard coded in COnfigSolrXmlOld
// Creates minimal full setup, including the old solr.xml file that used to be hard coded in ConfigSolrXmlOld
// TODO: remove for 5.0
public static void copyMinFullSetup(File dstRoot) throws IOException {
if (! dstRoot.exists()) {
assertTrue("Failed to make subdirectory ", dstRoot.mkdirs());