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Posted to dev@oozie.apache.org by "duan xiong (JIRA)" <ji...@apache.org> on 2019/04/01 08:04:00 UTC
[jira] [Commented] (OOZIE-2952) Fix Findbugs warnings in
oozie-sharelib-oozie
[ https://issues.apache.org/jira/browse/OOZIE-2952?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=16806497#comment-16806497 ]
duan xiong commented on OOZIE-2952:
-----------------------------------
Hi,[~Jan Hentschel],If you don't mind I will take over it.If you have any concern please let me know.
> Fix Findbugs warnings in oozie-sharelib-oozie
> ---------------------------------------------
>
> Key: OOZIE-2952
> URL: https://issues.apache.org/jira/browse/OOZIE-2952
> Project: Oozie
> Issue Type: Sub-task
> Components: build
> Reporter: Jan Hentschel
> Assignee: Jan Hentschel
> Priority: Major
> Attachments: OOZIE-2952-1.patch
>
>
> Currently Findbugs complains about the following warnings in the *oozie-sharelib-oozie* module:
> {code}
> [INFO] The class org.apache.oozie.action.hadoop.HdfsOperations$2 could be refactored into a named _static_ inner class [org.apache.oozie.action.hadoop.HdfsOperations] At HdfsOperations.java:[line 80]
> [INFO] The class org.apache.oozie.action.hadoop.HdfsOperations$3 could be refactored into a named _static_ inner class [org.apache.oozie.action.hadoop.HdfsOperations] At HdfsOperations.java:[line 91]
> [INFO] The class org.apache.oozie.action.hadoop.HdfsOperations$4 could be refactored into a named _static_ inner class [org.apache.oozie.action.hadoop.HdfsOperations] At HdfsOperations.java:[line 105]
> [INFO] Use of non-localized String.toUpperCase() or String.toLowerCase() in org.apache.oozie.action.hadoop.LauncherMain.printArgs(String, String[]) [org.apache.oozie.action.hadoop.LauncherMain] At LauncherMain.java:[line 416]
> [INFO] Found reliance on default encoding in org.apache.oozie.action.hadoop.LauncherMain.getHadoopJobIds(String, Pattern[]): new java.io.FileReader(String) [org.apache.oozie.action.hadoop.LauncherMain] At LauncherMain.java:[line 139]
> [INFO] Found reliance on default encoding in org.apache.oozie.action.hadoop.LauncherMain.writeExternalChildIDs(String, Pattern[], String): String.getBytes() [org.apache.oozie.action.hadoop.LauncherMain] At LauncherMain.java:[line 175]
> [INFO] org.apache.oozie.action.hadoop.LauncherMain.HADOOP_SITE_FILES should be both final and package protected [org.apache.oozie.action.hadoop.LauncherMain] At LauncherMain.java:[line 76]
> [INFO] Exceptional return value of java.io.File.mkdirs() ignored in org.apache.oozie.action.hadoop.LauncherMain.writeHadoopConfig(String, File) [org.apache.oozie.action.hadoop.LauncherMain] At LauncherMain.java:[line 394]
> [INFO] Use of non-localized String.toUpperCase() or String.toLowerCase() in org.apache.oozie.action.hadoop.LauncherMapper.printArgs(String, String[]) [org.apache.oozie.action.hadoop.LauncherMapper] At LauncherMapper.java:[line 660]
> [INFO] Found reliance on default encoding in org.apache.oozie.action.hadoop.LauncherMapper.getLocalFileContentStr(File, String, int): new java.io.FileReader(File) [org.apache.oozie.action.hadoop.LauncherMapper] At LauncherMapper.java:[line 407]
> [INFO] Found reliance on default encoding in org.apache.oozie.action.hadoop.LauncherMapper.propagateToHadoopConf(): new java.io.FileWriter(String) [org.apache.oozie.action.hadoop.LauncherMapper] At LauncherMapper.java:[line 355]
> [INFO] Found reliance on default encoding in org.apache.oozie.action.hadoop.LauncherMapper.propagateToHadoopConf(): new java.io.OutputStreamWriter(OutputStream) [org.apache.oozie.action.hadoop.LauncherMapper] At LauncherMapper.java:[line 356]
> [INFO] Found reliance on default encoding in org.apache.oozie.action.hadoop.LauncherMapper.setRecoveryId(Configuration, Path, String): new java.io.InputStreamReader(InputStream) [org.apache.oozie.action.hadoop.LauncherMapper] At LauncherMapper.java:[line 107]
> [INFO] Found reliance on default encoding in org.apache.oozie.action.hadoop.LauncherMapper.setRecoveryId(Configuration, Path, String): new java.io.OutputStreamWriter(OutputStream) [org.apache.oozie.action.hadoop.LauncherMapper] At LauncherMapper.java:[line 97]
> [INFO] org.apache.oozie.action.hadoop.LauncherMapper.getLocalFileContentStr(File, String, int) may fail to clean up java.io.Reader on checked exception [org.apache.oozie.action.hadoop.LauncherMapper, org.apache.oozie.action.hadoop.LauncherMapper, org.apache.oozie.action.hadoop.LauncherMapper, org.apache.oozie.action.hadoop.LauncherMapper] Obligation to clean up resource created at LauncherMapper.java:[line 407] is not dischargedPath continues at LauncherMapper.java:[line 408]Path continues at LauncherMapper.java:[line 410]Path continues at LauncherMapper.java:[line 411]
> [INFO] org.apache.oozie.action.hadoop.LauncherMapper.propagateToHadoopConf() may fail to clean up java.io.Writer on checked exception [org.apache.oozie.action.hadoop.LauncherMapper] Obligation to clean up resource created at LauncherMapper.java:[line 355] is not discharged
> [INFO] org.apache.oozie.action.hadoop.LauncherMapper.getLocalFileContentStr(File, String, int) may fail to close stream on exception [org.apache.oozie.action.hadoop.LauncherMapper] At LauncherMapper.java:[line 407]
> [INFO] org.apache.oozie.action.hadoop.LauncherMapper.setRecoveryId(Configuration, Path, String) may fail to close stream on exception [org.apache.oozie.action.hadoop.LauncherMapper] At LauncherMapper.java:[line 107]
> [INFO] org.apache.oozie.action.hadoop.LauncherMapper.setRecoveryId(Configuration, Path, String) may fail to close stream on exception [org.apache.oozie.action.hadoop.LauncherMapper] At LauncherMapper.java:[line 97]
> [INFO] Write to static field org.apache.oozie.action.hadoop.LauncherSecurityManager.exitCode from instance method org.apache.oozie.action.hadoop.LauncherSecurityManager.checkExit(int) [org.apache.oozie.action.hadoop.LauncherSecurityManager] At LauncherMapper.java:[line 698]
> [INFO] Write to static field org.apache.oozie.action.hadoop.LauncherSecurityManager.exitInvoked from instance method org.apache.oozie.action.hadoop.LauncherSecurityManager.checkExit(int) [org.apache.oozie.action.hadoop.LauncherSecurityManager] At LauncherMapper.java:[line 697]
> [INFO] The class org.apache.oozie.action.hadoop.LocalFsOperations$1 could be refactored into a named _static_ inner class [org.apache.oozie.action.hadoop.LocalFsOperations] At LocalFsOperations.java:[line 58]
> [INFO] Found reliance on default encoding in org.apache.oozie.action.hadoop.MapReduceMain.writeJobIdFile(File, String): String.getBytes() [org.apache.oozie.action.hadoop.MapReduceMain] At MapReduceMain.java:[line 85]
> [INFO] org.apache.oozie.action.hadoop.MapReduceMain.writeJobIdFile(File, String) may fail to clean up java.io.OutputStream on checked exception [org.apache.oozie.action.hadoop.MapReduceMain, org.apache.oozie.action.hadoop.MapReduceMain] Obligation to clean up resource created at MapReduceMain.java:[line 84] is not dischargedPath continues at MapReduceMain.java:[line 85]
> [INFO] org.apache.oozie.action.hadoop.MapReduceMain.writeJobIdFile(File, String) may fail to close stream on exception [org.apache.oozie.action.hadoop.MapReduceMain] At MapReduceMain.java:[line 84]
> [INFO] Exceptional return value of java.io.File.createNewFile() ignored in new org.apache.oozie.action.hadoop.OozieLauncherOutputCommitter() [org.apache.oozie.action.hadoop.OozieLauncherOutputCommitter] At OozieLauncherOutputCommitter.java:[line 35]
> [INFO] The class org.apache.oozie.action.hadoop.OozieLauncherOutputFormat$1 could be refactored into a named _static_ inner class [org.apache.oozie.action.hadoop.OozieLauncherOutputFormat] At OozieLauncherOutputFormat.java:[line 35]
> [INFO] Use of non-localized String.toUpperCase() or String.toLowerCase() in org.apache.oozie.action.hadoop.PasswordMasker.isPasswordKey(String) [org.apache.oozie.action.hadoop.PasswordMasker] At PasswordMasker.java:[line 115]
> [INFO] Found reliance on default encoding in org.apache.oozie.action.hadoop.ShellMain.handleShellOutput(Process, boolean): new java.io.InputStreamReader(InputStream) [org.apache.oozie.action.hadoop.ShellMain, org.apache.oozie.action.hadoop.ShellMain] At ShellMain.java:[line 228]Another occurrence at ShellMain.java:[line 229]
> [INFO] Found reliance on default encoding in org.apache.oozie.action.hadoop.ShellMain.writeLoggerProperties(Configuration, File): new java.io.PrintWriter(OutputStream) [org.apache.oozie.action.hadoop.ShellMain] At ShellMain.java:[line 172]
> [INFO] org.apache.oozie.action.hadoop.ShellMain.writeLoggerProperties(Configuration, File) may fail to close stream on exception [org.apache.oozie.action.hadoop.ShellMain] At ShellMain.java:[line 172]
> [INFO] Redundant nullcheck of thrArray, which is known to be non-null in org.apache.oozie.action.hadoop.ShellMain.execute(Configuration) [org.apache.oozie.action.hadoop.ShellMain] Redundant null check at ShellMain.java:[line 117]
> [INFO] Found reliance on default encoding in org.apache.oozie.action.hadoop.ShellMain$OutputWriteThread.run(): new java.io.FileWriter(File) [org.apache.oozie.action.hadoop.ShellMain$OutputWriteThread] At ShellMain.java:[line 265]
> [INFO] Should org.apache.oozie.action.hadoop.ShellMain$OutputWriteThread be a _static_ inner class? [org.apache.oozie.action.hadoop.ShellMain$OutputWriteThread] At ShellMain.java:[lines 247-305]
> {code}
> They should be fixed to get the code more reliable.
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