https://bz.apache.org/bugzilla/show_bug.cgi?id=64503
Bug ID: 64503
Summary: ClassNotFoundException:
org.apache.naming.java.javaURLContextFactory using
java.util.Collection.parallelStream()
Product: Tomcat 9
Version: 9.0.35
Hardware: PC
Status: NEW
Severity: normal
Priority: P2
Component: Servlet
Assignee: dev@tomcat.apache.org
Reporter: mse...@guh-software.de
Target Milestone: -----
Created attachment 37293
--> https://bz.apache.org/bugzilla/attachment.cgi?id=37293&action=edit
context.xml (to reproduce the problem)
Steps to reproduce:
- Use the attached context.xml
- Add the attached SimpleContextListener class into a war
- Start tomcat with the war
The following exception occurs:
java.lang.RuntimeException: java.lang.RuntimeException: Error on lookup
at
java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance0(Native
Method)
at
java.base/jdk.internal.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:62)
at
java.base/jdk.internal.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:45)
at
java.base/java.lang.reflect.Constructor.newInstance(Constructor.java:490)
at
java.base/java.util.concurrent.ForkJoinTask.getThrowableException(ForkJoinTask.java:600)
at
java.base/java.util.concurrent.ForkJoinTask.reportException(ForkJoinTask.java:678)
at
java.base/java.util.concurrent.ForkJoinTask.invoke(ForkJoinTask.java:737)
at
java.base/java.util.stream.ReduceOps$ReduceOp.evaluateParallel(ReduceOps.java:919)
at
java.base/java.util.stream.AbstractPipeline.evaluate(AbstractPipeline.java:233)
at
java.base/java.util.stream.ReferencePipeline.collect(ReferencePipeline.java:578)
at
SimpleContextListener.contextInitialized(SimpleContextListener.java:26)
at
org.apache.catalina.core.StandardContext.listenerStart(StandardContext.java:4686)
at
org.apache.catalina.core.StandardContext.startInternal(StandardContext.java:5147)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at
org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384)
at
org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at
org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
at
java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140)
at
org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909)
at
org.apache.catalina.core.StandardHost.startInternal(StandardHost.java:841)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at
org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1384)
at
org.apache.catalina.core.ContainerBase$StartChild.call(ContainerBase.java:1374)
at java.base/java.util.concurrent.FutureTask.run(FutureTask.java:264)
at
org.apache.tomcat.util.threads.InlineExecutorService.execute(InlineExecutorService.java:75)
at
java.base/java.util.concurrent.AbstractExecutorService.submit(AbstractExecutorService.java:140)
at
org.apache.catalina.core.ContainerBase.startInternal(ContainerBase.java:909)
at
org.apache.catalina.core.StandardEngine.startInternal(StandardEngine.java:262)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at
org.apache.catalina.core.StandardService.startInternal(StandardService.java:421)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at
org.apache.catalina.core.StandardServer.startInternal(StandardServer.java:930)
at org.apache.catalina.util.LifecycleBase.start(LifecycleBase.java:183)
at org.apache.catalina.startup.Catalina.start(Catalina.java:633)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
at
java.base/jdk.internal.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62)
at
java.base/jdk.internal.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
at java.base/java.lang.reflect.Method.invoke(Method.java:566)
at org.apache.catalina.startup.Bootstrap.start(Bootstrap.java:343)
at org.apache.catalina.startup.Bootstrap.main(Bootstrap.java:474)
Caused by: java.lang.RuntimeException: Error on lookup
at SimpleContextListener.lambda$0(SimpleContextListener.java:24)
at
java.base/java.util.stream.ReferencePipeline$3$1.accept(ReferencePipeline.java:195)
at
java.base/java.util.Spliterators$ArraySpliterator.forEachRemaining(Spliterators.java:948)
at
java.base/java.util.stream.AbstractPipeline.copyInto(AbstractPipeline.java:484)
at
java.base/java.util.stream.AbstractPipeline.wrapAndCopyInto(AbstractPipeline.java:474)
at
java.base/java.util.stream.ReduceOps$ReduceTask.doLeaf(ReduceOps.java:952)
at
java.base/java.util.stream.ReduceOps$ReduceTask.doLeaf(ReduceOps.java:926)
at
java.base/java.util.stream.AbstractTask.compute(AbstractTask.java:327)
at
java.base/java.util.concurrent.CountedCompleter.exec(CountedCompleter.java:746)
at
java.base/java.util.concurrent.ForkJoinTask.doExec(ForkJoinTask.java:290)
at
java.base/java.util.concurrent.ForkJoinPool$WorkQueue.topLevelExec(ForkJoinPool.java:1020)
at
java.base/java.util.concurrent.ForkJoinPool.scan(ForkJoinPool.java:1656)
at
java.base/java.util.concurrent.ForkJoinPool.runWorker(ForkJoinPool.java:1594)
at
java.base/java.util.concurrent.ForkJoinWorkerThread.run(ForkJoinWorkerThread.java:177)
Caused by: javax.naming.NoInitialContextException: Cannot instantiate class:
org.apache.naming.java.javaURLContextFactory [Root exception is
java.lang.ClassNotFoundException: org.apache.naming.java.javaURLContextFactory]
at
java.naming/javax.naming.spi.NamingManager.getFactory(NamingManager.java:749)
at
java.naming/javax.naming.spi.NamingManager.lambda$getInitialContext$1(NamingManager.java:711)
at
java.base/jdk.internal.loader.AbstractClassLoaderValue$Memoizer.get(AbstractClassLoaderValue.java:329)
at
java.base/jdk.internal.loader.AbstractClassLoaderValue.computeIfAbsent(AbstractClassLoaderValue.java:205)
at
java.naming/javax.naming.spi.NamingManager.getInitialContext(NamingManager.java:711)
at
java.naming/javax.naming.InitialContext.getDefaultInitCtx(InitialContext.java:305)
at
java.naming/javax.naming.InitialContext.init(InitialContext.java:236)
at
java.naming/javax.naming.InitialContext.<init>(InitialContext.java:184)
at
java.naming/javax.naming.InitialContext.doLookup(InitialContext.java:282)
at SimpleContextListener.lambda$0(SimpleContextListener.java:22)
... 13 more
Caused by: java.lang.ClassNotFoundException:
org.apache.naming.java.javaURLContextFactory
at
java.base/jdk.internal.loader.BuiltinClassLoader.loadClass(BuiltinClassLoader.java:581)
at
java.base/jdk.internal.loader.ClassLoaders$AppClassLoader.loadClass(ClassLoaders.java:178)
at java.base/java.lang.ClassLoader.loadClass(ClassLoader.java:522)
at java.base/java.lang.Class.forName0(Native Method)
at java.base/java.lang.Class.forName(Class.java:398)
at
java.naming/com.sun.naming.internal.VersionHelper.loadClass(VersionHelper.java:123)
at
java.naming/com.sun.naming.internal.VersionHelper.loadClass(VersionHelper.java:96)
at
java.naming/javax.naming.spi.NamingManager.getFactory(NamingManager.java:746)
... 22 more
This happens because of parallelStream(). Using stream() everything works.
I tried several "workarounds" like https://stackoverflow.com/a/49113343/2523032
butz all of them failed.
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