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https://issues.apache.org/jira/browse/PIG-1354?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=12854260#action_12854260
]
Dmitriy V. Ryaboy commented on PIG-1354:
----------------------------------------
Alan, I don't know that there are many methods that operate directly on byte
arrays, but it would be easy to add if someone asks for it.
I will commit this (the test failure seems unrelated, see report below).
{code}
Error Message
Exception in constructor: testAggNoCombine
(java.lang.ExceptionInInitializerError at
org.apache.pig.test.TestBuiltin.<init>(TestBuiltin.java:65) at
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at
java.lang.reflect.Constructor.newInstance(Constructor.java:513) at
junit.framework.TestSuite.createTest(TestSuite.java:61) at
junit.framework.TestSuite.addTestMethod(TestSuite.java:283) at
junit.framework.TestSuite.<init>(TestSuite.java:146) at
org.junit.internal.runners.JUnit38ClassRunner.<init>(JUnit38ClassRunner.java:67)
at
org.junit.internal.builders.JUnit3Builder.runnerForClass(JUnit3Builder.java:14)
at
org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:57)
at
org.junit.internal.builders.AllDefaultPossibilitiesBuilder.runnerForClass(AllDefaultPossibilitiesBuilder.java:29)
at
org.junit.runners.model.RunnerBuilder.safeRunnerForClass(RunnerBuilder.java:57)
at
org.junit.internal.requests.ClassRequest.getRunner(ClassRequest.java:24) at
junit.framework.JUnit4TestAdapter.<init>(JUnit4TestAdapter.java:31) at
junit.framework.JUnit4TestAdapter.<init>(JUnit4TestAdapter.java:24) at
sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method) at
sun.reflect.NativeConstructorAccessorImpl.newInstance(NativeConstructorAccessorImpl.java:39)
at
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(DelegatingConstructorAccessorImpl.java:27)
at
java.lang.reflect.Constructor.newInstance(Constructor.java:513) at
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.run(JUnitTestRunner.java:386)
at
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.launch(JUnitTestRunner.java:911)
at
org.apache.tools.ant.taskdefs.optional.junit.JUnitTestRunner.main(JUnitTestRunner.java:768)
Caused by: java.lang.IllegalArgumentException: port out of range:-1 at
java.net.InetSocketAddress.<init>(InetSocketAddress.java:118) at
org.apache.hadoop.hdfs.server.namenode.NameNode.startHttpServer(NameNode.java:250)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:202)
at org.apache.hadoop.hdfs.server.namenode.NameNode.<init>
(NameNode.java:279) at
org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:956)
at
org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:275) at
org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:119)
at
org.apache.pig.test.MiniCluster.setupMiniDfsAndMrClusters(MiniCluster.java:57)
at org.apache.pig.test.MiniCluster.<init>(MiniCluster.java:47) at
org.apache.pig.test.MiniCluster.<clinit>(MiniCluster.java:44) ... 23 more )
Stacktrace
junit.framework.AssertionFailedError: Exception in constructor:
testAggNoCombine (java.lang.ExceptionInInitializerError
at org.apache.pig.test.TestBuiltin.<init>(TestBuiltin.java:65)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
at java.lang.reflect.Constructor.newInstance(Constructor.java:513)
Caused by: java.lang.IllegalArgumentException: port out of range:-1
at java.net.InetSocketAddress.<init>(InetSocketAddress.java:118)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.startHttpServer(NameNode.java:250)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.initialize(NameNode.java:202)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.<init>(NameNode.java:279)
at
org.apache.hadoop.hdfs.server.namenode.NameNode.createNameNode(NameNode.java:956)
at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:275)
at org.apache.hadoop.hdfs.MiniDFSCluster.<init>(MiniDFSCluster.java:119)
at
org.apache.pig.test.MiniCluster.setupMiniDfsAndMrClusters(MiniCluster.java:57)
at org.apache.pig.test.MiniCluster.<init>(MiniCluster.java:47)
at org.apache.pig.test.MiniCluster.<clinit>(MiniCluster.java:44)
)
{code}
> UDFs for dynamic invocation of simple Java methods
> --------------------------------------------------
>
> Key: PIG-1354
> URL: https://issues.apache.org/jira/browse/PIG-1354
> Project: Pig
> Issue Type: New Feature
> Affects Versions: 0.8.0
> Reporter: Dmitriy V. Ryaboy
> Assignee: Dmitriy V. Ryaboy
> Fix For: 0.8.0
>
> Attachments: PIG-1354.patch, PIG-1354.patch, PIG-1354.patch
>
>
> The need to create wrapper UDFs for simple Java functions creates unnecessary
> work for Pig users, slows down the development process, and produces a lot of
> trivial classes. We can use Java's reflection to allow invoking a number of
> methods on the fly, dynamically, by creating a generic UDF to accomplish this.
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