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  1. Commons Net
  2. NET-447

Commons-net version 2.0 jar unable to download files of time stamp 29th February.

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Details

    • Bug
    • Status: Closed
    • Major
    • Resolution: Cannot Reproduce
    • 2.0
    • 2.0
    • FTP
    • Windows Server 2003.

    Description

      When FTP Client of commons-net.jar (version 2.0) tries to get the list of files on FTP server then for the files of time stamp date 29th Feb 2012 it returns null value and in turn throws Null pointer Exception.

      Because the files are read in date viz sequence, thus it reads the file names correctly till 28th Feb but as soon as it gets a file of time-stamp date 29th it throws Null Pointer Exception and all the files after that are not read.

      Also its been mentioned in the case mentioned at following url that this issue has been resolved in version 1.5 :

      https://issues.apache.org/jira/browse/NET-188

      Thus ideally such solution would have been included in all later versions. We would require a patch to resolve this.

      Also for your information we are using Wicket frame work. Do you forsee any Jar conflict with commons-net version 2.0 in such scenario.

      We are also attaching the Exceptions trace as follows:

      ERROR [01 Mar 2012 13:37:33] com.nordea.npdb.datafeed.sp.timertasks.DataFeedSpUsStockReportFtpImpl.execute(DataFeedSpUsStockReportFtpImpl.java:48) : Timer_DataFeedSpUsStockReportFtp [FAILED]
      java.lang.NullPointerException
      at com.nordea.npdb.bl.facade.DataFeedServiceImpl.saveFtpFetcherFiles(DataFeedServiceImpl.java:108)[NPDB-core-0-SNAPSHOT.jar:]
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)[:1.6.0_24]
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)[:1.6.0_24]
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)[:1.6.0_24]
      at java.lang.reflect.Method.invoke(Method.java:597)[:1.6.0_24]
      at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309)[spring-aop-3.0.3.RELEASE.jar:3.0.3.RELEASE]
      at org.springframework.aop.framework.ReflectiveMethodInvocation.invokeJoinpoint(ReflectiveMethodInvocation.java:183)[spring-aop-3.0.3.RELEASE.jar:3.0.3.RELEASE]
      at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:150)[spring-aop-3.0.3.RELEASE.jar:3.0.3.RELEASE]
      at org.springframework.transaction.interceptor.TransactionInterceptor.invoke(TransactionInterceptor.java:110)[spring-tx-3.0.3.RELEASE.jar:3.0.3.RELEASE]
      at org.springframework.aop.framework.ReflectiveMethodInvocation.proceed(ReflectiveMethodInvocation.java:172)[spring-aop-3.0.3.RELEASE.jar:3.0.3.RELEASE]
      at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:202)[spring-aop-3.0.3.RELEASE.jar:3.0.3.RELEASE]
      at $Proxy105.saveFtpFetcherFiles(Unknown Source)[:]
      at com.nordea.npdb.datafeed.sp.timertasks.DataFeedSpUsStockReportFtpImpl.execute(DataFeedSpUsStockReportFtpImpl.java:32)[NPDB-core-0-SNAPSHOT.jar:]
      at com.nordea.npdb.infrastructure.batch.OldBatchJob.execute(OldBatchJob.java:12)[NPDB-core-0-SNAPSHOT.jar:]
      at org.springframework.batch.core.step.tasklet.TaskletStep$ChunkTransactionCallback.doInTransaction(TaskletStep.java:386)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)[spring-tx-3.0.3.RELEASE.jar:3.0.3.RELEASE]
      at org.springframework.batch.core.step.tasklet.TaskletStep$2.doInChunkContext(TaskletStep.java:264)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.batch.core.scope.context.StepContextRepeatCallback.doInIteration(StepContextRepeatCallback.java:76)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.batch.repeat.support.RepeatTemplate.getNextResult(RepeatTemplate.java:367)[spring-batch-infrastructure-2.1.7.RELEASE.jar:]
      at org.springframework.batch.repeat.support.RepeatTemplate.executeInternal(RepeatTemplate.java:214)[spring-batch-infrastructure-2.1.7.RELEASE.jar:]
      at org.springframework.batch.repeat.support.RepeatTemplate.iterate(RepeatTemplate.java:143)[spring-batch-infrastructure-2.1.7.RELEASE.jar:]
      at org.springframework.batch.core.step.tasklet.TaskletStep.doExecute(TaskletStep.java:250)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.batch.core.step.AbstractStep.execute(AbstractStep.java:195)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.batch.core.job.SimpleStepHandler.handleStep(SimpleStepHandler.java:135)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.batch.core.job.flow.JobFlowExecutor.executeStep(JobFlowExecutor.java:61)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.batch.core.job.flow.support.state.StepState.handle(StepState.java:60)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.batch.core.job.flow.support.SimpleFlow.resume(SimpleFlow.java:144)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.batch.core.job.flow.support.SimpleFlow.start(SimpleFlow.java:124)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.batch.core.job.flow.FlowJob.doExecute(FlowJob.java:135)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.batch.core.job.AbstractJob.execute(AbstractJob.java:281)[spring-batch-core-2.1.7.RELEASE.jar:]
      at com.nordea.npdb.infrastructure.batch.NpdbJobLauncherImpl$2.run(NpdbJobLauncherImpl.java:116)[NPDB-core-0-SNAPSHOT.jar:]
      at org.springframework.core.task.SyncTaskExecutor.execute(SyncTaskExecutor.java:48)[spring-core-3.0.3.RELEASE.jar:3.0.3.RELEASE]
      at com.nordea.npdb.infrastructure.batch.NpdbJobLauncherImpl.run(NpdbJobLauncherImpl.java:110)[NPDB-core-0-SNAPSHOT.jar:]
      at com.nordea.npdb.infrastructure.batch.BatchFacadeImpl.runJobUsingCurrentThread(BatchFacadeImpl.java:83)[NPDB-core-0-SNAPSHOT.jar:]
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)[:1.6.0_24]
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)[:1.6.0_24]
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)[:1.6.0_24]
      at java.lang.reflect.Method.invoke(Method.java:597)[:1.6.0_24]
      at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309)[spring-aop-3.0.3.RELEASE.jar:3.0.3.RELEASE]
      at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:196)[spring-aop-3.0.3.RELEASE.jar:3.0.3.RELEASE]
      at $Proxy136.runJobUsingCurrentThread(Unknown Source)[:]
      at com.nordea.npdb.infrastructure.scheduler.SchedulerServiceImpl$SchedulerThread$1.doWithinTimingWithoutResult(SchedulerServiceImpl.java:509)[NPDB-core-0-SNAPSHOT.jar:]
      at com.nordea.pubdb.timer.TimingCallbackWithoutResult.doWithinTiming(TimingCallbackWithoutResult.java:6)[NPDB-core-0-SNAPSHOT.jar:]
      at com.nordea.pubdb.timer.TimingTemplateImpl.execute(TimingTemplateImpl.java:105)[NPDB-core-0-SNAPSHOT.jar:]
      at com.nordea.npdb.infrastructure.scheduler.SchedulerServiceImpl$SchedulerThread.run(SchedulerServiceImpl.java:502)[NPDB-core-0-SNAPSHOT.jar:]
      ERROR [01 Mar 2012 13:37:38] org.springframework.batch.core.step.AbstractStep.execute(AbstractStep.java:212) : Encountered an error executing the step
      java.lang.RuntimeException: Timer_DataFeedSpUsStockReportFtp [FAILED]
      at com.nordea.npdb.datafeed.sp.timertasks.DataFeedSpUsStockReportFtpImpl.execute(DataFeedSpUsStockReportFtpImpl.java:49)[NPDB-core-0-SNAPSHOT.jar:]
      at com.nordea.npdb.infrastructure.batch.OldBatchJob.execute(OldBatchJob.java:12)[NPDB-core-0-SNAPSHOT.jar:]
      at org.springframework.batch.core.step.tasklet.TaskletStep$ChunkTransactionCallback.doInTransaction(TaskletStep.java:386)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.transaction.support.TransactionTemplate.execute(TransactionTemplate.java:130)[spring-tx-3.0.3.RELEASE.jar:3.0.3.RELEASE]
      at org.springframework.batch.core.step.tasklet.TaskletStep$2.doInChunkContext(TaskletStep.java:264)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.batch.core.scope.context.StepContextRepeatCallback.doInIteration(StepContextRepeatCallback.java:76)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.batch.repeat.support.RepeatTemplate.getNextResult(RepeatTemplate.java:367)[spring-batch-infrastructure-2.1.7.RELEASE.jar:]
      at org.springframework.batch.repeat.support.RepeatTemplate.executeInternal(RepeatTemplate.java:214)[spring-batch-infrastructure-2.1.7.RELEASE.jar:]
      at org.springframework.batch.repeat.support.RepeatTemplate.iterate(RepeatTemplate.java:143)[spring-batch-infrastructure-2.1.7.RELEASE.jar:]
      at org.springframework.batch.core.step.tasklet.TaskletStep.doExecute(TaskletStep.java:250)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.batch.core.step.AbstractStep.execute(AbstractStep.java:195)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.batch.core.job.SimpleStepHandler.handleStep(SimpleStepHandler.java:135)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.batch.core.job.flow.JobFlowExecutor.executeStep(JobFlowExecutor.java:61)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.batch.core.job.flow.support.state.StepState.handle(StepState.java:60)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.batch.core.job.flow.support.SimpleFlow.resume(SimpleFlow.java:144)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.batch.core.job.flow.support.SimpleFlow.start(SimpleFlow.java:124)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.batch.core.job.flow.FlowJob.doExecute(FlowJob.java:135)[spring-batch-core-2.1.7.RELEASE.jar:]
      at org.springframework.batch.core.job.AbstractJob.execute(AbstractJob.java:281)[spring-batch-core-2.1.7.RELEASE.jar:]
      at com.nordea.npdb.infrastructure.batch.NpdbJobLauncherImpl$2.run(NpdbJobLauncherImpl.java:116)[NPDB-core-0-SNAPSHOT.jar:]
      at org.springframework.core.task.SyncTaskExecutor.execute(SyncTaskExecutor.java:48)[spring-core-3.0.3.RELEASE.jar:3.0.3.RELEASE]
      at com.nordea.npdb.infrastructure.batch.NpdbJobLauncherImpl.run(NpdbJobLauncherImpl.java:110)[NPDB-core-0-SNAPSHOT.jar:]
      at com.nordea.npdb.infrastructure.batch.BatchFacadeImpl.runJobUsingCurrentThread(BatchFacadeImpl.java:83)[NPDB-core-0-SNAPSHOT.jar:]
      at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method)[:1.6.0_24]
      at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:39)[:1.6.0_24]
      at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)[:1.6.0_24]
      at java.lang.reflect.Method.invoke(Method.java:597)[:1.6.0_24]
      at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:309)[spring-aop-3.0.3.RELEASE.jar:3.0.3.RELEASE]
      at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:196)[spring-aop-3.0.3.RELEASE.jar:3.0.3.RELEASE]
      at $Proxy136.runJobUsingCurrentThread(Unknown Source)[:]
      at com.nordea.npdb.infrastructure.scheduler.SchedulerServiceImpl$SchedulerThread$1.doWithinTimingWithoutResult(SchedulerServiceImpl.java:509)[NPDB-core-0-SNAPSHOT.jar:]
      at com.nordea.pubdb.timer.TimingCallbackWithoutResult.doWithinTiming(TimingCallbackWithoutResult.java:6)[NPDB-core-0-SNAPSHOT.jar:]
      at com.nordea.pubdb.timer.TimingTemplateImpl.execute(TimingTemplateImpl.java:105)[NPDB-core-0-SNAPSHOT.jar:]
      at com.nordea.npdb.infrastructure.scheduler.SchedulerServiceImpl$SchedulerThread.run(SchedulerServiceImpl.java:502)[NPDB-core-0-SNAPSHOT.jar:]

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            Unassigned Unassigned
            beaken.jeevesh Jeevesh Mishra
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