com.cedarsoftware.util.io.JsonIoException

Unable to convert object to JSON

Solutions on the web3

  • via GitHub by jdereg
    , 11 months ago
    Unable to convert object to JSON
  • Unable to convert object to JSON
  • via GitHub by visvadw
    , 11 months ago
    Unable to convert object to JSON
  • Stack trace

    • com.cedarsoftware.util.io.JsonIoException: Unable to convert object to JSON at com.cedarsoftware.util.io.JsonWriter.objectToJson(JsonWriter.java:223) at ro.visva.focus.infra.persistence.cassandra.CassandraRepo.toJSON(CassandraRepo.java:137) at repo.CassandraRepoTests.test1_init(CassandraRepoTests.java:34) 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:497) at org.junit.runners.model.FrameworkMethod$1.runReflectiveCall(FrameworkMethod.java:50) at org.junit.internal.runners.model.ReflectiveCallable.run(ReflectiveCallable.java:12) at org.junit.runners.model.FrameworkMethod.invokeExplosively(FrameworkMethod.java:47) at org.junit.internal.runners.statements.InvokeMethod.evaluate(InvokeMethod.java:17) at org.junit.runners.ParentRunner.runLeaf(ParentRunner.java:325) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:78) at org.junit.runners.BlockJUnit4ClassRunner.runChild(BlockJUnit4ClassRunner.java:57) at org.junit.runners.ParentRunner$3.run(ParentRunner.java:290) at org.junit.runners.ParentRunner$1.schedule(ParentRunner.java:71) at org.junit.runners.ParentRunner.runChildren(ParentRunner.java:288) at org.junit.runners.ParentRunner.access$000(ParentRunner.java:58) at org.junit.runners.ParentRunner$2.evaluate(ParentRunner.java:268) at org.junit.runners.ParentRunner.run(ParentRunner.java:363) at org.junit.runner.JUnitCore.run(JUnitCore.java:137) at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:117) at com.intellij.junit4.JUnit4IdeaTestRunner.startRunnerWithArgs(JUnit4IdeaTestRunner.java:42) at com.intellij.rt.execution.junit.JUnitStarter.prepareStreamsAndStart(JUnitStarter.java:253) at com.intellij.rt.execution.junit.JUnitStarter.main(JUnitStarter.java:84) 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:497) at com.intellij.rt.execution.application.AppMain.main(AppMain.java:147) Caused by: java.lang.UnsupportedOperationException at io.netty.channel.nio.SelectedSelectionKeySet.iterator(SelectedSelectionKeySet.java:108) at com.cedarsoftware.util.io.JsonWriter.traceReferences(JsonWriter.java:720) at com.cedarsoftware.util.io.JsonWriter.write(JsonWriter.java:624) at com.cedarsoftware.util.io.JsonWriter.objectToJson(JsonWriter.java:217) ... 29 more

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