[BEAM-2223] java8 examples are not running

• Type: Bug
• Status: Resolved
• Priority: P2
• Resolution: Fixed
• Fix Version/s: 2.0.0
• Component/s: examples-java
• Assignee: Kenneth Knowles
• Reporter: Ahmet Altay
• Created: 08/May/17 20:48
• Updated: 16/May/20 13:57
• Resolved: 10/May/17 00:28

Description

Could not run java8 examples any more with:

mvn compile exec:java -Dexec.mainClass=org.apache.beam.examples.complete.game.UserScore -Dexec.args="--project=<MYPROJECT> --dataset=<MYDATASET> --tempLocation=<MY_GCS_TEMP_LOCATION>"

Fails with:

java.lang.reflect.InvocationTargetException
	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.codehaus.mojo.exec.ExecJavaMojo$1.run(ExecJavaMojo.java:294)
	at java.lang.Thread.run(Thread.java:745)
Caused by: java.lang.NoClassDefFoundError: org/hamcrest/Matcher
	at java.lang.ClassLoader.defineClass1(Native Method)
	at java.lang.ClassLoader.defineClass(ClassLoader.java:763)
	at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
	at java.net.URLClassLoader.defineClass(URLClassLoader.java:467)
	at java.net.URLClassLoader.access$100(URLClassLoader.java:73)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:368)
	at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
	at java.security.AccessController.doPrivileged(Native Method)
	at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	at java.lang.Class.getDeclaredMethods0(Native Method)
	at java.lang.Class.privateGetDeclaredMethods(Class.java:2703)
	at java.lang.Class.privateGetPublicMethods(Class.java:2904)
	at java.lang.Class.privateGetPublicMethods(Class.java:2913)
	at java.lang.Class.getMethods(Class.java:1617)
	at sun.misc.ProxyGenerator.generateClassFile(ProxyGenerator.java:451)
	at sun.misc.ProxyGenerator.generateProxyClass(ProxyGenerator.java:339)
	at java.lang.reflect.Proxy$ProxyClassFactory.apply(Proxy.java:639)
	at java.lang.reflect.Proxy$ProxyClassFactory.apply(Proxy.java:557)
	at java.lang.reflect.WeakCache$Factory.get(WeakCache.java:230)
	at java.lang.reflect.WeakCache.get(WeakCache.java:127)
	at java.lang.reflect.Proxy.getProxyClass0(Proxy.java:419)
	at java.lang.reflect.Proxy.getProxyClass(Proxy.java:371)
	at org.apache.beam.sdk.options.PipelineOptionsFactory.validateWellFormed(PipelineOptionsFactory.java:606)
	at org.apache.beam.sdk.options.PipelineOptionsFactory.register(PipelineOptionsFactory.java:544)
	at org.apache.beam.sdk.options.PipelineOptionsFactory.initializeRegistry(PipelineOptionsFactory.java:570)
	at org.apache.beam.sdk.options.PipelineOptionsFactory.<clinit>(PipelineOptionsFactory.java:519)
	at org.apache.beam.examples.complete.game.UserScore.main(UserScore.java:226)
	... 6 more
Caused by: java.lang.ClassNotFoundException: org.hamcrest.Matcher
	at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
	at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
	... 35 more

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Issue Links

• links to: GitHub Pull Request #2983
• links to: GitHub Pull Request #2999