title: Java Upgrade exception from 1.6 to 1.8
body: <p>I am trying to upgrade my project from Java 1.6 to Java 1.8, While doing Gradle build am getting JIBX binding compilation Error.If I run using Java 1.6 it works fine.</p>
  
  <p>I am using JIBX version 1.2.5, Gradle 2.9 version.JAVA 1.8.0_71, Groovy 2.4.4.</p>
  
  <p>Attachning my jibx.gradle below</p>
  
  <pre><code>configurations {
      jibx
  }
  
  dependencies {
      jibx group: 'org.jibx', name: 'jibx-tools', version: '1.2.6'
      jibx group: 'org.jibx', name: 'jibx-bind', version: '1.2.6'
      jibx group :'org.jibx', name: 'jibx-extras', version:'1.2.6'
  }
  
  
  task generate() {
      ant.java(classname: 'org.jibx.binding.Compile', fork: true, classpath: "${configurations.jibx.asPath}") {
          arg(line: "-p 'com.cigna.ccmi'")
          arg(line: "-t 'src/main/java'")
      }
  }
  
  def compileJibx() {
      ant {
          taskdef(name: 'bind',
              classname: 'org.jibx.binding.ant.CompileTask',
              classpath: configurations.jibx.asPath)
  
          **bind(binding: "${projectDir}/src/main/resources/jibx/common-config-JibX.xml", verbose: 'false')** {
              classpath {
                  pathelement(path: "${projectDir}/build/classes/main")
              }
          }
      }   
  }
  
  compileJava.dependsOn generate
  compileJava.doLast {
      compileJibx()
  }
  </code></pre>
  
  <p>I am getting error while executing the bind method</p>
  
  <p>Attaching JIBX plugin that i am using in pom </p>
  
  <pre><code>&lt;plugins&gt;
      &lt;plugin&gt;
          &lt;groupId&gt;org.jibx&lt;/groupId&gt;
          &lt;artifactId&gt;jibx-maven-plugin&lt;/artifactId&gt;
          &lt;version&gt;1.2.6&lt;/version&gt;
          &lt;configuration&gt;
              &lt;schemaBindingDirectory&gt;src/main/resources/jibx&lt;/schemaBindingDirectory&gt;
              &lt;includeSchemaBindings&gt;
                  &lt;includeSchemaBindings&gt;common-config-JibX.xml&lt;/includeSchemaBindings&gt;
              &lt;/includeSchemaBindings&gt;
              &lt;verbose&gt;true&lt;/verbose&gt;
          &lt;/configuration&gt;
          &lt;dependencies&gt;
              &lt;!-- Workaround to avoid error compiling with JDK 1.8 --&gt;
              &lt;dependency&gt;
                  &lt;groupId&gt;org.apache.bcel&lt;/groupId&gt;
                  &lt;artifactId&gt;bcel&lt;/artifactId&gt;
                  &lt;version&gt;6.0-SNAPSHOT&lt;/version&gt;
              &lt;/dependency&gt;
          &lt;/dependencies&gt;
          &lt;executions&gt;
              &lt;execution&gt;
                  &lt;goals&gt;
                      &lt;goal&gt;bind&lt;/goal&gt;
                  &lt;/goals&gt;
              &lt;/execution&gt;
          &lt;/executions&gt;
      &lt;/plugin&gt;
  </code></pre>
  
  <p>attaching the error</p>
  
  <pre><code>* What went wrong:
  Execution failed for task ':war:compileJava'.
  &gt; JiBXException in JiBX binding compilation
  
  * Try:
  Run with --info or --debug option to get more log output.
  
  * Exception is:
  org.gradle.api.tasks.TaskExecutionException: Execution failed for task ':war:com
  pileJava'.
          at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.ex
  ecuteActions(ExecuteActionsTaskExecuter.java:69)
          at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.ex
  ecute(ExecuteActionsTaskExecuter.java:46)
          at org.gradle.api.internal.tasks.execution.PostExecutionAnalysisTaskExec
  uter.execute(PostExecutionAnalysisTaskExecuter.java:35)
          at org.gradle.api.internal.tasks.execution.SkipUpToDateTaskExecuter.exec
  ute(SkipUpToDateTaskExecuter.java:64)
          at org.gradle.api.internal.tasks.execution.ValidatingTaskExecuter.execut
  e(ValidatingTaskExecuter.java:58)
          at org.gradle.api.internal.tasks.execution.SkipEmptySourceFilesTaskExecu
  ter.execute(SkipEmptySourceFilesTaskExecuter.java:52)
          at org.gradle.api.internal.tasks.execution.SkipTaskWithNoActionsExecuter
  .execute(SkipTaskWithNoActionsExecuter.java:52)
          at org.gradle.api.internal.tasks.execution.SkipOnlyIfTaskExecuter.execut
  e(SkipOnlyIfTaskExecuter.java:53)
          at org.gradle.api.internal.tasks.execution.ExecuteAtMostOnceTaskExecuter
  .execute(ExecuteAtMostOnceTaskExecuter.java:43)
          at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTa
  skWorker.execute(DefaultTaskGraphExecuter.java:203)
          at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter$EventFiringTa
  skWorker.execute(DefaultTaskGraphExecuter.java:185)
          at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorW
  orker.processTask(AbstractTaskPlanExecutor.java:66)
          at org.gradle.execution.taskgraph.AbstractTaskPlanExecutor$TaskExecutorW
  orker.run(AbstractTaskPlanExecutor.java:50)
          at org.gradle.execution.taskgraph.DefaultTaskPlanExecutor.process(Defaul
  tTaskPlanExecutor.java:25)
          at org.gradle.execution.taskgraph.DefaultTaskGraphExecuter.execute(Defau
  ltTaskGraphExecuter.java:110)
          at org.gradle.execution.SelectedTaskExecutionAction.execute(SelectedTask
  ExecutionAction.java:37)
          at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecute
  r.java:37)
          at org.gradle.execution.DefaultBuildExecuter.access$000(DefaultBuildExec
  uter.java:23)
          at org.gradle.execution.DefaultBuildExecuter$1.proceed(DefaultBuildExecu
  ter.java:43)
          at org.gradle.execution.DryRunBuildExecutionAction.execute(DryRunBuildEx
  ecutionAction.java:32)
          at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecute
  r.java:37)
          at org.gradle.execution.DefaultBuildExecuter.execute(DefaultBuildExecute
  r.java:30)
          at org.gradle.initialization.DefaultGradleLauncher$4.run(DefaultGradleLa
  uncher.java:154)
          at org.gradle.internal.Factories$1.create(Factories.java:22)
          at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(Defaul
  tBuildOperationExecutor.java:90)
          at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(Defaul
  tBuildOperationExecutor.java:52)
          at org.gradle.initialization.DefaultGradleLauncher.doBuildStages(Default
  GradleLauncher.java:151)
          at org.gradle.initialization.DefaultGradleLauncher.access$200(DefaultGra
  dleLauncher.java:32)
          at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradl
  eLauncher.java:99)
          at org.gradle.initialization.DefaultGradleLauncher$1.create(DefaultGradl
  eLauncher.java:93)
          at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(Defaul
  tBuildOperationExecutor.java:90)
          at org.gradle.internal.progress.DefaultBuildOperationExecutor.run(Defaul
  tBuildOperationExecutor.java:62)
          at org.gradle.initialization.DefaultGradleLauncher.doBuild(DefaultGradle
  Launcher.java:93)
          at org.gradle.initialization.DefaultGradleLauncher.run(DefaultGradleLaun
  cher.java:82)
          at org.gradle.launcher.exec.InProcessBuildActionExecuter$DefaultBuildCon
  troller.run(InProcessBuildActionExecuter.java:94)
          at org.gradle.tooling.internal.provider.ExecuteBuildActionRunner.run(Exe
  cuteBuildActionRunner.java:28)
          at org.gradle.launcher.exec.ChainingBuildActionRunner.run(ChainingBuildA
  ctionRunner.java:35)
          at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProce
  ssBuildActionExecuter.java:43)
          at org.gradle.launcher.exec.InProcessBuildActionExecuter.execute(InProce
  ssBuildActionExecuter.java:28)
          at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(Contin
  uousBuildActionExecuter.java:77)
          at org.gradle.launcher.exec.ContinuousBuildActionExecuter.execute(Contin
  uousBuildActionExecuter.java:47)
          at org.gradle.launcher.exec.DaemonUsageSuggestingBuildActionExecuter.exe
  cute(DaemonUsageSuggestingBuildActionExecuter.java:51)
          at org.gradle.launcher.exec.DaemonUsageSuggestingBuildActionExecuter.exe
  cute(DaemonUsageSuggestingBuildActionExecuter.java:28)
          at org.gradle.launcher.cli.RunBuildAction.run(RunBuildAction.java:43)
          at org.gradle.internal.Actions$RunnableActionAdapter.execute(Actions.jav
  a:170)
          at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.
  execute(CommandLineActionFactory.java:237)
          at org.gradle.launcher.cli.CommandLineActionFactory$ParseAndBuildAction.
  execute(CommandLineActionFactory.java:210)
          at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRunti
  meValidationAction.java:35)
          at org.gradle.launcher.cli.JavaRuntimeValidationAction.execute(JavaRunti
  meValidationAction.java:24)
          at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(
  CommandLineActionFactory.java:206)
          at org.gradle.launcher.cli.CommandLineActionFactory$WithLogging.execute(
  CommandLineActionFactory.java:169)
          at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionRep
  ortingAction.java:33)
          at org.gradle.launcher.cli.ExceptionReportingAction.execute(ExceptionRep
  ortingAction.java:22)
          at org.gradle.launcher.Main.doAction(Main.java:33)
          at org.gradle.launcher.bootstrap.EntryPoint.run(EntryPoint.java:45)
          at org.gradle.launcher.bootstrap.ProcessBootstrap.runNoExit(ProcessBoots
  trap.java:54)
          at org.gradle.launcher.bootstrap.ProcessBootstrap.run(ProcessBootstrap.j
  ava:35)
          at org.gradle.launcher.GradleMain.main(GradleMain.java:23)
  Caused by: : JiBXException in JiBX binding compilation
          at org.jibx.binding.ant.CompileTask.execute(CompileTask.java:252)
          at org.apache.tools.ant.UnknownElement.execute(UnknownElement.java:292)
          at org.apache.tools.ant.dispatch.DispatchUtils.execute(DispatchUtils.jav
  a:106)
          at org.gradle.api.internal.project.ant.BasicAntBuilder.nodeCompleted(Bas
  icAntBuilder.java:78)
          at org.gradle.api.internal.project.ant.BasicAntBuilder.doInvokeMethod(Ba
  sicAntBuilder.java:93)
          at jibx_50hfomxu8u1392vt31qdevxoj$_compileJibx_closure5.doCall(C:\sandee
  p\JavaUpgrade\DI-services\war\jibx.gradle:32)
          at org.gradle.api.internal.ClosureBackedAction.execute(ClosureBackedActi
  on.java:67)
          at org.gradle.util.ConfigureUtil.configure(ConfigureUtil.java:130)
          at org.gradle.util.ConfigureUtil.configure(ConfigureUtil.java:91)
          at org.gradle.api.internal.project.AbstractProject.ant(AbstractProject.j
  ava:816)
          at org.gradle.api.internal.BeanDynamicObject$MetaClassAdapter.invokeMeth
  od(BeanDynamicObject.java:235)
          at org.gradle.api.internal.BeanDynamicObject.invokeMethod(BeanDynamicObj
  ect.java:130)
          at org.gradle.api.internal.CompositeDynamicObject.invokeMethod(Composite
  DynamicObject.java:150)
          at org.gradle.groovy.scripts.BasicScript.methodMissing(BasicScript.java:
  79)
          at jibx_50hfomxu8u1392vt31qdevxoj.compileJibx(C:\sandeep\JavaUpgrade\DI-
  services\war\jibx.gradle:27)
          at jibx_50hfomxu8u1392vt31qdevxoj$_run_closure4.doCall(C:\sandeep\JavaUp
  grade\DI-services\war\jibx.gradle:42)
          at org.gradle.api.internal.AbstractTask$ClosureTaskAction.execute(Abstra
  ctTask.java:554)
          at org.gradle.api.internal.AbstractTask$ClosureTaskAction.execute(Abstra
  ctTask.java:535)
          at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.ex
  ecuteAction(ExecuteActionsTaskExecuter.java:80)
          at org.gradle.api.internal.tasks.execution.ExecuteActionsTaskExecuter.ex
  ecuteActions(ExecuteActionsTaskExecuter.java:61)
          ... 57 more
  Caused by: org.jibx.runtime.JiBXException: Error running binding compiler
          at org.jibx.binding.Compile.compile(Compile.java:318)
          at org.jibx.binding.ant.CompileTask.execute(CompileTask.java:248)
          ... 76 more
  Caused by: java.lang.IllegalStateException: Error loading class java.lang.CharSe
  quence: Error reading path java/lang/CharSequence.class for class java.lang.Char
  Sequence
          at org.jibx.binding.classes.ClassCache$ClassCacheLocator.getClassInfo(Cl
  assCache.java:291)
          at org.jibx.binding.model.ClassHierarchyContext.accumulateInterfaces(Cla
  ssHierarchyContext.java:95)
          at org.jibx.binding.model.ClassHierarchyContext.addTypedComponent(ClassH
  ierarchyContext.java:121)
          at org.jibx.binding.model.DefinitionContext.addFormat(DefinitionContext.
  java:527)
          at org.jibx.binding.model.BindingElement.defineBaseFormat(BindingElement
  .java:843)
          at org.jibx.binding.model.BindingElement.runValidation(BindingElement.ja
  va:865)
          at org.jibx.binding.model.BindingElement.runValidation(BindingElement.ja
  va:899)
          at org.jibx.binding.model.BindingElement.validateBinding(BindingElement.
  java:969)
          at org.jibx.binding.Utility.validateBinding(Utility.java:226)
          at org.jibx.binding.Utility.loadBinding(Utility.java:269)
          at org.jibx.binding.Utility.loadFileBinding(Utility.java:420)
          at org.jibx.binding.Compile.compile(Compile.java:217)
          ... 77 more
  
  
  BUILD FAILED
  </code></pre>