On 25/01/2018 11:58, Bernd wrote:

Hello,

some of our unit tests (using PowerMock and xmlunit) fail with 8u161 (and
u162) but work with 8u152.

I cant reproduce the fault in a stand-alone program so it seems to be
related to classloader/reflection magic of those tools, sorry.

Is this a regression of 8159240
<http://bugs.java.com/view_bug.do?bug_id=JDK-8159240> (not public?)
Fixes in the CPU releases are kept private - hence the above bug is not public. The changesets do become public once the release is made public though. See : http://hg.openjdk.java.net/jdk8u/jdk8u/jaxws/rev/06086cb6c349

I don't think it's a factor for what you're seeing.

Classes nearer to those below were touched via JDK-8186080: Transform XML interfaces
http://hg.openjdk.java.net/jdk8u/jdk8u/jdk/rev/cb84156d54b2
http://hg.openjdk.java.net/jdk8u/jdk8u/jaxp/rev/08a44c164993

This may be connected with some tools trying to redefine the classes perhaps. Needs more investigating. Perhaps the XMLSchemaLoader changes are a factor ?

regards,
Sean.

Here is the stacktrace anyway:

com.sun.org.apache.xerces.internal.impl.dv.DVFactoryException: Schema
factory class
com.sun.org.apache.xerces.internal.impl.dv.xs.SchemaDVFactoryImpl does not
extend from SchemaDVFactory.
     at
com.sun.org.apache.xerces.internal.impl.dv.SchemaDVFactory.getInstance(SchemaDVFactory.java:75)
     at
com.sun.org.apache.xerces.internal.impl.dv.SchemaDVFactory.getInstance(SchemaDVFactory.java:57)
     at
com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaLoader.reset(XMLSchemaLoader.java:1024)
     at
com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaLoader.loadGrammar(XMLSchemaLoader.java:556)
     at
com.sun.org.apache.xerces.internal.impl.xs.XMLSchemaLoader.loadGrammar(XMLSchemaLoader.java:535)
     at
com.sun.org.apache.xerces.internal.jaxp.validation.XMLSchemaFactory.newSchema(XMLSchemaFactory.java:254)
     at javax.xml.validation.SchemaFactory.newSchema(SchemaFactory.java:638)
     at javax.xml.validation.SchemaFactory.newSchema(SchemaFactory.java:654)
     at
com.seeburger.api.test.helpers.BuilderTestHelper.getCRSchemaValidator(BuilderTestHelper.java:57)
     at
com.seeburger.api.test.helpers.BuilderTestHelper.validateAndCompare(BuilderTestHelper.java:73)
     at
com.seeburger.api.test.KSMBuilderTest.testDeletePGP(KSMBuilderTest.java:196)
     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.internal.runners.TestMethod.invoke(TestMethod.java:68)
     at
org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.runTestMethod(PowerMockJUnit44RunnerDelegateImpl.java:310)
     at org.junit.internal.runners.MethodRoadie$2.run(MethodRoadie.java:89)
     at
org.junit.internal.runners.MethodRoadie.runBeforesThenTestThenAfters(MethodRoadie.java:97)
     at
org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.executeTest(PowerMockJUnit44RunnerDelegateImpl.java:294)
     at
org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.executeTestInSuper(PowerMockJUnit47RunnerDelegateImpl.java:127)
     at
org.powermock.modules.junit4.internal.impl.PowerMockJUnit47RunnerDelegateImpl$PowerMockJUnit47MethodRunner.executeTest(PowerMockJUnit47RunnerDelegateImpl.java:82)
     at
org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$PowerMockJUnit44MethodRunner.runBeforesThenTestThenAfters(PowerMockJUnit44RunnerDelegateImpl.java:282)
     at org.junit.internal.runners.MethodRoadie.runTest(MethodRoadie.java:87)
     at org.junit.internal.runners.MethodRoadie.run(MethodRoadie.java:50)
     at
org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.invokeTestMethod(PowerMockJUnit44RunnerDelegateImpl.java:207)
     at
org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.runMethods(PowerMockJUnit44RunnerDelegateImpl.java:146)
     at
org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl$1.run(PowerMockJUnit44RunnerDelegateImpl.java:120)
     at
org.junit.internal.runners.ClassRoadie.runUnprotected(ClassRoadie.java:34)
     at
org.junit.internal.runners.ClassRoadie.runProtected(ClassRoadie.java:44)
     at
org.powermock.modules.junit4.internal.impl.PowerMockJUnit44RunnerDelegateImpl.run(PowerMockJUnit44RunnerDelegateImpl.java:122)
     at
org.powermock.modules.junit4.common.internal.impl.JUnit4TestSuiteChunkerImpl.run(JUnit4TestSuiteChunkerImpl.java:106)
     at
org.powermock.modules.junit4.common.internal.impl.AbstractCommonPowerMockRunner.run(AbstractCommonPowerMockRunner.java:53)
     at
org.powermock.modules.junit4.PowerMockRunner.run(PowerMockRunner.java:59)
     at
org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:86)
     at
org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38)
     at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:539)
     at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:761)
     at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:461)
     at
org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:207)

on the classpath jaxb-impl-2.2.5.jar but the specific packages are only
loaded from rt.jar and redefined. I asume the later is done by Powermock.

     Line 611: [Loaded
com.sun.org.apache.xerces.internal.impl.dv.SchemaDVFactory from C:\Program
Files\Java\jdk1.8.0_161\jre\lib\rt.jar]
     Line 616: [Loaded
com.sun.org.apache.xerces.internal.impl.dv.xs.BaseSchemaDVFactory from
C:\Program Files\Java\jdk1.8.0_161\jre\lib\rt.jar]
     Line 617: [Loaded
com.sun.org.apache.xerces.internal.impl.dv.xs.SchemaDVFactoryImpl from
C:\Program Files\Java\jdk1.8.0_161\jre\lib\rt.jar]
     Line 618: [Loaded
com.sun.org.apache.xerces.internal.impl.dv.SchemaDVFactory from
__JVM_DefineClass__]
     Line 619: [Loaded
com.sun.org.apache.xerces.internal.impl.dv.xs.BaseSchemaDVFactory from
__JVM_DefineClass__]
     Line 620: [Loaded
com.sun.org.apache.xerces.internal.impl.dv.xs.SchemaDVFactoryImpl from
__JVM_DefineClass__]

Is that something you are concerned?

Gruss
Bernd
<http://bugs.java.com/view_bug.do?bug_id=JDK-8159240>

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