JUnit version 4.8.2
log4j:WARN No appenders could be found for logger (org.apache.pig.impl.util.SpillableMemoryManager).
log4j:WARN Please initialize the log4j system properly.
.........org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Unable to open iterator for alias b
        at org.apache.pig.PigServer.openIterator(PigServer.java:857)
        at com.adition.pig.test.TestCONTAINS.testFiltering(TestCONTAINS.java:130)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
        at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
        at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
        at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
        at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
        at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
        at org.junit.runners.Suite.runChild(Suite.java:128)
        at org.junit.runners.Suite.runChild(Suite.java:24)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
        at org.junit.runners.Suite.runChild(Suite.java:128)
        at org.junit.runners.Suite.runChild(Suite.java:24)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
        at org.junit.runner.JUnitCore.run(JUnitCore.java:157)
        at org.junit.runner.JUnitCore.run(JUnitCore.java:136)
        at org.junit.runner.JUnitCore.run(JUnitCore.java:117)
        at org.junit.runner.JUnitCore.runMain(JUnitCore.java:98)
        at org.junit.runner.JUnitCore.runMainAndExit(JUnitCore.java:53)
        at org.junit.runner.JUnitCore.main(JUnitCore.java:45)
Caused by: org.apache.pig.PigException: ERROR 1002: Unable to store alias b
        at org.apache.pig.PigServer.storeEx(PigServer.java:956)
        at org.apache.pig.PigServer.store(PigServer.java:919)
        at org.apache.pig.PigServer.openIterator(PigServer.java:832)
        ... 41 more
Caused by: org.apache.pig.backend.executionengine.ExecException: ERROR 2043: Unexpected error during execution.
        at org.apache.pig.PigServer.launchPlan(PigServer.java:1281)
        at org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1255)
        at org.apache.pig.PigServer.storeEx(PigServer.java:952)
        ... 43 more
Caused by: java.io.IOException: Cannot initialize Cluster. Please check your configuration for mapreduce.framework.name and the correspond server addresses.
        at org.apache.hadoop.mapreduce.Cluster.initialize(Cluster.java:121)
        at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:83)
        at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:76)
        at org.apache.hadoop.mapred.JobClient.init(JobClient.java:487)
        at org.apache.hadoop.mapred.JobClient.<init>(JobClient.java:466)
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:156)
        at org.apache.pig.PigServer.launchPlan(PigServer.java:1270)
        ... 45 more
E.org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Unable to open iterator for alias b
        at org.apache.pig.PigServer.openIterator(PigServer.java:857)
        at com.adition.pig.test.TestCONTAINS.testFilteringWithOR1(TestCONTAINS.java:164)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
        at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
        at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
        at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
        at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
        at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
        at org.junit.runners.Suite.runChild(Suite.java:128)
        at org.junit.runners.Suite.runChild(Suite.java:24)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
        at org.junit.runners.Suite.runChild(Suite.java:128)
        at org.junit.runners.Suite.runChild(Suite.java:24)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
        at org.junit.runner.JUnitCore.run(JUnitCore.java:157)
        at org.junit.runner.JUnitCore.run(JUnitCore.java:136)
        at org.junit.runner.JUnitCore.run(JUnitCore.java:117)
        at org.junit.runner.JUnitCore.runMain(JUnitCore.java:98)
        at org.junit.runner.JUnitCore.runMainAndExit(JUnitCore.java:53)
        at org.junit.runner.JUnitCore.main(JUnitCore.java:45)
Caused by: org.apache.pig.PigException: ERROR 1002: Unable to store alias b
        at org.apache.pig.PigServer.storeEx(PigServer.java:956)
        at org.apache.pig.PigServer.store(PigServer.java:919)
        at org.apache.pig.PigServer.openIterator(PigServer.java:832)
        ... 41 more
Caused by: org.apache.pig.backend.executionengine.ExecException: ERROR 2043: Unexpected error during execution.
        at org.apache.pig.PigServer.launchPlan(PigServer.java:1281)
        at org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1255)
        at org.apache.pig.PigServer.storeEx(PigServer.java:952)
        ... 43 more
Caused by: java.io.IOException: Cannot initialize Cluster. Please check your configuration for mapreduce.framework.name and the correspond server addresses.
        at org.apache.hadoop.mapreduce.Cluster.initialize(Cluster.java:121)
        at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:83)
        at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:76)
        at org.apache.hadoop.mapred.JobClient.init(JobClient.java:487)
        at org.apache.hadoop.mapred.JobClient.<init>(JobClient.java:466)
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:156)
        at org.apache.pig.PigServer.launchPlan(PigServer.java:1270)
        ... 45 more
E.org.apache.pig.impl.logicalLayer.FrontendException: ERROR 1066: Unable to open iterator for alias b
        at org.apache.pig.PigServer.openIterator(PigServer.java:857)
        at com.adition.pig.test.TestCONTAINS.testFilteringWithOR2(TestCONTAINS.java:198)
        at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
        at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)
        at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
        at java.lang.reflect.Method.invoke(Method.java:597)
        at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:44)
        at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:15)
        at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:41)
        at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:20)
        at org.junit.runners.BlockJUnit4ClassRunner.runNotIgnored(BlockJUnit4ClassRunner.java:79)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:71)
        at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:49)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
        at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:28)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
        at org.junit.runners.Suite.runChild(Suite.java:128)
        at org.junit.runners.Suite.runChild(Suite.java:24)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
        at org.junit.runners.Suite.runChild(Suite.java:128)
        at org.junit.runners.Suite.runChild(Suite.java:24)
        at org.junit.runners.ParentRunner$3.run(ParentRunner.java:193)
        at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:52)
        at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:191)
        at org.junit.runners.ParentRunner.access$000(ParentRunner.java:42)
        at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:184)
        at org.junit.runners.ParentRunner.run(ParentRunner.java:236)
        at org.junit.runner.JUnitCore.run(JUnitCore.java:157)
        at org.junit.runner.JUnitCore.run(JUnitCore.java:136)
        at org.junit.runner.JUnitCore.run(JUnitCore.java:117)
        at org.junit.runner.JUnitCore.runMain(JUnitCore.java:98)
        at org.junit.runner.JUnitCore.runMainAndExit(JUnitCore.java:53)
        at org.junit.runner.JUnitCore.main(JUnitCore.java:45)
Caused by: org.apache.pig.PigException: ERROR 1002: Unable to store alias b
        at org.apache.pig.PigServer.storeEx(PigServer.java:956)
        at org.apache.pig.PigServer.store(PigServer.java:919)
        at org.apache.pig.PigServer.openIterator(PigServer.java:832)
        ... 41 more
Caused by: org.apache.pig.backend.executionengine.ExecException: ERROR 2043: Unexpected error during execution.
        at org.apache.pig.PigServer.launchPlan(PigServer.java:1281)
        at org.apache.pig.PigServer.executeCompiledLogicalPlan(PigServer.java:1255)
        at org.apache.pig.PigServer.storeEx(PigServer.java:952)
        ... 43 more
Caused by: java.io.IOException: Cannot initialize Cluster. Please check your configuration for mapreduce.framework.name and the correspond server addresses.
        at org.apache.hadoop.mapreduce.Cluster.initialize(Cluster.java:121)
        at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:83)
        at org.apache.hadoop.mapreduce.Cluster.<init>(Cluster.java:76)
        at org.apache.hadoop.mapred.JobClient.init(JobClient.java:487)
        at org.apache.hadoop.mapred.JobClient.<init>(JobClient.java:466)
        at org.apache.pig.backend.hadoop.executionengine.mapReduceLayer.MapReduceLauncher.launchPig(MapReduceLauncher.java:156)
        at org.apache.pig.PigServer.launchPlan(PigServer.java:1270)
        ... 45 more