java.lang.NullPointerException

DataStax JIRA | Daniel Anderson | 2 years ago
  1. 0

    Note - I am testing Cassandra version 2.1.0 with Java Driver version 2.1.1. Below is the error received- {noformat} java.lang.NullPointerException at com.datastax.driver.mapping.UDTMapper.toUDTValues(UDTMapper.java:118) at com.datastax.driver.mapping.ReflectionMapper$UDTMapMapper.getValue(ReflectionMapper.java:238) at com.datastax.driver.mapping.Mapper.saveQuery(Mapper.java:126) at com.datastax.driver.mapping.Mapper.save(Mapper.java:143) at com.mm.camel.aggregation.cassandra.CassandraTest.testNullUDT(CassandraTest.java:57) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229) at org.junit.runners.ParentRunner.run(ParentRunner.java:309) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192) {noformat} I am attaching below - # the table - cassandra_table and type cassandra_mapvalue # Java classes CassandraTable and CassandraMapValue # UnitTests - please look at test method testNullUDTColumn() for replication. As a solution i think we should check here - com.datastax.driver.mapping.UDTMapper.toUDTValues(Map<K, V>, UDTMapper<K>, UDTMapper<V>) on line 118 for null - {code} if(entities == null) return null; {code} Please let me know if you need more information. Thanks.

    DataStax JIRA | 2 years ago | poorak
    java.lang.NullPointerException
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  3. 0

    Note - I am testing Cassandra version 2.1.0 with Java Driver version 2.1.1. Below is the error received- {noformat} java.lang.NullPointerException at com.datastax.driver.mapping.UDTMapper.toUDTValues(UDTMapper.java:118) at com.datastax.driver.mapping.ReflectionMapper$UDTMapMapper.getValue(ReflectionMapper.java:238) at com.datastax.driver.mapping.Mapper.saveQuery(Mapper.java:126) at com.datastax.driver.mapping.Mapper.save(Mapper.java:143) at com.mm.camel.aggregation.cassandra.CassandraTest.testNullUDT(CassandraTest.java:57) at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:606) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:47) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:44) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.internal.runners.statements.RunBefores.evaluate(RunBefores.java:26) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:271) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:70) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:50) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:238) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:63) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:236) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:53) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:229) at org.junit.runners.ParentRunner.run(ParentRunner.java:309) at org.eclipse.jdt.internal.junit4.runner.JUnit4TestReference.run(JUnit4TestReference.java:50) at org.eclipse.jdt.internal.junit.runner.TestExecution.run(TestExecution.java:38) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:459) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.runTests(RemoteTestRunner.java:675) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.run(RemoteTestRunner.java:382) at org.eclipse.jdt.internal.junit.runner.RemoteTestRunner.main(RemoteTestRunner.java:192) {noformat} I am attaching below - # the table - cassandra_table and type cassandra_mapvalue # Java classes CassandraTable and CassandraMapValue # UnitTests - please look at test method testNullUDTColumn() for replication. As a solution i think we should check here - com.datastax.driver.mapping.UDTMapper.toUDTValues(Map<K, V>, UDTMapper<K>, UDTMapper<V>) on line 118 for null - {code} if(entities == null) return null; {code} Please let me know if you need more information. Thanks.

    DataStax JIRA | 2 years ago | poorak
    java.lang.NullPointerException
  4. 0

    Android: Saving Map State in Google map

    Stack Overflow | 11 months ago | Junie Negentien
    java.lang.RuntimeException: Unable to resume activity {com.ourThesis.junieNegentien2015/com.ourThesis.junieNegentien2015.MainActivity}: java.lang.NullPointerException

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    Root Cause Analysis

    1. java.lang.NullPointerException

      No message provided

      at com.datastax.driver.mapping.ReflectionMapper$EnumMapper.getValue()
    2. com.datastax.driver
      Mapper.save
      1. com.datastax.driver.mapping.ReflectionMapper$EnumMapper.getValue(ReflectionMapper.java:122)
      2. com.datastax.driver.mapping.Mapper.saveQuery(Mapper.java:126)
      3. com.datastax.driver.mapping.Mapper.save(Mapper.java:143)
      3 frames
    3. com.mobileiron.cassandra
      Test.main
      1. com.mobileiron.cassandra.Test.main(Test.java:75)
      1 frame
    4. Java RT
      Method.invoke
      1. sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)
      2. sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:57)
      3. sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43)
      4. java.lang.reflect.Method.invoke(Method.java:606)
      4 frames
    5. IDEA
      AppMain.main
      1. com.intellij.rt.execution.application.AppMain.main(AppMain.java:134)
      1 frame