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tl;dr: boot Linux with maxcpus=2 to reproduce this failure in about one in four Maven builds.
In hundreds of scripted builds, many other failures were also seen, all related to EPSG code lookup. The core finding of this investigation is an NPE at org.hsqldb.Database.connect(Database.java:384). I suspect a synchronisation problem with EPSG database access.
The super-long version:
- Attached patch for gt-epsg-hsql changes
ImageMosaicReader.getReader to print a stack trace rather than swallowing exceptions.
- Attached hsqldb-2.3.0.jar has been rebuild with debugging information (needed Oracle JDK 7 to build).
- Linux booted with
maxcpus=2.
- Building gs-main with
mvn -o clean install.
After several builds the following is seen:
Running org.geoserver.catalog.CoverageViewTest
source = /home/ben/geoserver/src with spaces/geoserver/src/main/./target/default5111977893338354336data/s2reduced
hints = Hints:
REPOSITORY = org.geoserver.catalog.CatalogRepository@anonymised.com
EXECUTOR_SERVICE = java.util.concurrent.ThreadPoolExecutor@anonymised.com[Running, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0]
System defaults:
GRID_COVERAGE_FACTORY = GridCoverageFactory
TILE_ENCODING = null
FORCE_LONGITUDE_FIRST_AXIS_ORDER = true
COMPARISON_TOLERANCE = 1.0E-7
FILTER_FACTORY = FilterFactoryImpl
FORCE_AXIS_ORDER_HONORING = http
STYLE_FACTORY = StyleFactoryImpl
LENIENT_DATUM_SHIFT = true
FEATURE_FACTORY = org.geotools.feature.LenientFeatureFactoryImpl@anonymised.com
org.geotools.data.DataSourceException
at org.geotools.gce.imagemosaic.ImageMosaicReader.<init>(ImageMosaicReader.java:513)
at org.geotools.gce.imagemosaic.ImageMosaicFormat.getReader(ImageMosaicFormat.java:566)
at org.geotools.gce.imagemosaic.ImageMosaicFormat.getReader(ImageMosaicFormat.java:108)
at org.geoserver.catalog.ResourcePool.getGridCoverageReader(ResourcePool.java:1524)
at org.geoserver.catalog.ResourcePool.getGridCoverageReader(ResourcePool.java:1444)
at org.geoserver.catalog.CoverageView.buildCoverageInfo(CoverageView.java:387)
at org.geoserver.catalog.CoverageView.createCoverageInfo(CoverageView.java:398)
at org.geoserver.catalog.CoverageViewTest.buildHeterogeneousResolutionView(CoverageViewTest.java:698)
at org.geoserver.catalog.CoverageViewTest.testHeterogeneousViewIntersectionEnvelope(CoverageViewTest.java:458)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.rules.RunRules.evaluate(RunRules.java:20)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
Caused by: org.geotools.data.DataSourceException
at org.geotools.gce.imagemosaic.ImageMosaicReader.initReaderFromURL(ImageMosaicReader.java:721)
at org.geotools.gce.imagemosaic.ImageMosaicReader.<init>(ImageMosaicReader.java:511)
... 42 more
Caused by: java.lang.NullPointerException
at org.hsqldb.Database.connect(Database.java:384)
at org.hsqldb.DatabaseManager.newSession(DatabaseManager.java:163)
at org.hsqldb.jdbc.JDBCConnection.<init>(JDBCConnection.java:3593)
at org.hsqldb.jdbc.JDBCDriver.getConnection(JDBCDriver.java:312)
at org.hsqldb.jdbc.JDBCDataSource.getConnection(JDBCDataSource.java:192)
at org.hsqldb.jdbc.JDBCDataSource.getConnection(JDBCDataSource.java:151)
at org.geotools.referencing.factory.epsg.DirectEpsgFactory.getConnection(DirectEpsgFactory.java:3543)
at org.geotools.referencing.factory.epsg.DirectEpsgFactory.prepareStatement(DirectEpsgFactory.java:807)
at org.geotools.referencing.factory.epsg.DirectEpsgFactory.createCoordinateReferenceSystem(DirectEpsgFactory.java:2067)
at org.geotools.referencing.factory.BufferedAuthorityFactory.createCoordinateReferenceSystem(BufferedAuthorityFactory.java:732)
at org.geotools.referencing.factory.AuthorityFactoryAdapter.createCoordinateReferenceSystem(AuthorityFactoryAdapter.java:780)
at org.geotools.referencing.factory.BufferedAuthorityFactory.createCoordinateReferenceSystem(BufferedAuthorityFactory.java:732)
at org.geotools.referencing.factory.AuthorityFactoryAdapter.createCoordinateReferenceSystem(AuthorityFactoryAdapter.java:780)
at org.geotools.referencing.factory.FallbackAuthorityFactory.createCoordinateReferenceSystem(FallbackAuthorityFactory.java:625)
at org.geotools.referencing.factory.FallbackAuthorityFactory.createCoordinateReferenceSystem(FallbackAuthorityFactory.java:629)
at org.geotools.referencing.factory.AuthorityFactoryAdapter.createCoordinateReferenceSystem(AuthorityFactoryAdapter.java:780)
at org.geotools.referencing.factory.ThreadedAuthorityFactory.createCoordinateReferenceSystem(ThreadedAuthorityFactory.java:636)
at org.geotools.referencing.DefaultAuthorityFactory.createCoordinateReferenceSystem(DefaultAuthorityFactory.java:177)
at org.geotools.referencing.CRS.decode(CRS.java:517)
at org.geotools.gce.imagemosaic.Utils.decodeSrs(Utils.java:930)
at org.geotools.gce.imagemosaic.Utils.loadMosaicProperties(Utils.java:873)
at org.geotools.gce.imagemosaic.Utils.loadMosaicProperties(Utils.java:560)
at org.geotools.gce.imagemosaic.ImageMosaicReader.initReaderFromURL(ImageMosaicReader.java:620)
... 43 more
Tests run: 15, Failures: 0, Errors: 1, Skipped: 0, Time elapsed: 4.276 sec <<< FAILURE!
testHeterogeneousViewIntersectionEnvelope(org.geoserver.catalog.CoverageViewTest) Time elapsed: 51 sec <<< ERROR!
java.io.IOException: Failed to create reader from file:/home/ben/geoserver/src%20with%20spaces/geoserver/src/main/./target/default5111977893338354336data/s2reduced/ and hints Hints:
REPOSITORY = org.geoserver.catalog.CatalogRepository@anonymised.com
EXECUTOR_SERVICE = java.util.concurrent.ThreadPoolExecutor@anonymised.com[Running, pool size = 0, active threads = 0, queued tasks = 0, completed tasks = 0]
System defaults:
GRID_COVERAGE_FACTORY = GridCoverageFactory
TILE_ENCODING = null
FORCE_LONGITUDE_FIRST_AXIS_ORDER = true
COMPARISON_TOLERANCE = 1.0E-7
FILTER_FACTORY = FilterFactoryImpl
FORCE_AXIS_ORDER_HONORING = http
STYLE_FACTORY = StyleFactoryImpl
LENIENT_DATUM_SHIFT = true
FEATURE_FACTORY = org.geotools.feature.LenientFeatureFactoryImpl@anonymised.com
at org.geoserver.catalog.ResourcePool.getGridCoverageReader(ResourcePool.java:1526)
at org.geoserver.catalog.ResourcePool.getGridCoverageReader(ResourcePool.java:1444)
at org.geoserver.catalog.CoverageView.buildCoverageInfo(CoverageView.java:387)
at org.geoserver.catalog.CoverageView.createCoverageInfo(CoverageView.java:398)
at org.geoserver.catalog.CoverageViewTest.buildHeterogeneousResolutionView(CoverageViewTest.java:698)
at org.geoserver.catalog.CoverageViewTest.testHeterogeneousViewIntersectionEnvelope(CoverageViewTest.java:458)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47)
at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12)
at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44)
at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.rules.RunRules.evaluate(RunRules.java:20)
at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70)
at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50)
at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238)
at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63)
at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236)
at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53)
at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229)
at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26)
at org.junit.internal.runners.statements.RunAfters.evaluate(RunAfters.java:27)
at org.junit.runners.ParentRunner.run(ParentRunner.java:309)
at org.apache.maven.surefire.junit4.JUnit4Provider.execute(JUnit4Provider.java:252)
at org.apache.maven.surefire.junit4.JUnit4Provider.executeTestSet(JUnit4Provider.java:141)
at org.apache.maven.surefire.junit4.JUnit4Provider.invoke(JUnit4Provider.java:112)
at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.lang.reflect.Method.invoke(Method.java:498)
at org.apache.maven.surefire.util.ReflectionUtils.invokeMethodWithArray(ReflectionUtils.java:189)
at org.apache.maven.surefire.booter.ProviderFactory$ProviderProxy.invoke(ProviderFactory.java:165)
at org.apache.maven.surefire.booter.ProviderFactory.invokeProvider(ProviderFactory.java:85)
at org.apache.maven.surefire.booter.ForkedBooter.runSuitesInProcess(ForkedBooter.java:115)
at org.apache.maven.surefire.booter.ForkedBooter.main(ForkedBooter.java:75)
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