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From "Jeevesh Mishra (Created) (JIRA)" <j...@apache.org>
Subject [jira] [Created] (NET-447) Commons-net version 2.0 jar unable to download files of time stamp 29th February.
Date Fri, 02 Mar 2012 07:13:09 GMT
Commons-net version 2.0 jar unable to download files of time stamp 29th February. 
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                 Key: NET-447
                 URL: https://issues.apache.org/jira/browse/NET-447
             Project: Commons Net
          Issue Type: Bug
          Components: FTP
    Affects Versions: 2.0
         Environment: Windows Server 2003. 
            Reporter: Jeevesh Mishra
             Fix For: 2.0


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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