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https://issues.apache.org/jira/browse/HADOOP-13491?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=15563793#comment-15563793
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Hudson commented on HADOOP-13491:
---------------------------------
SUCCESS: Integrated in Jenkins build Hadoop-trunk-Commit #10583 (See
[https://builds.apache.org/job/Hadoop-trunk-Commit/10583/])
HADOOP-13491. Fix several warnings from findbugs. Contributed by Genmao
(mingfei.shi: rev 4d84c814fcaf074022593c057d8f8dec4cd461fa)
* (edit)
hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSFileSystem.java
* (edit)
hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSOutputStream.java
* (edit)
hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSUtils.java
* (edit)
hadoop-tools/hadoop-aliyun/src/main/java/org/apache/hadoop/fs/aliyun/oss/AliyunOSSInputStream.java
> fix several warnings from findbugs
> ----------------------------------
>
> Key: HADOOP-13491
> URL: https://issues.apache.org/jira/browse/HADOOP-13491
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: fs
> Affects Versions: HADOOP-12756
> Reporter: Genmao Yu
> Assignee: Genmao Yu
> Fix For: HADOOP-12756
>
> Attachments: HADOOP-13491-HADOOP-12756.001.patch,
> HADOOP-13491-HADOOP-12756.002.patch, HADOOP-13491-HADOOP-12756.003.patch,
> HADOOP-13491-HADOOP-12756.004.patch
>
>
> {code:title=Bad practice Warnings|borderStyle=solid}
> Code Warning
> RR org.apache.hadoop.fs.aliyun.oss.AliyunOSSInputStream.seek(long) ignores
> result of java.io.InputStream.skip(long)
> Bug type SR_NOT_CHECKED (click for details)
> In class org.apache.hadoop.fs.aliyun.oss.AliyunOSSInputStream
> In method org.apache.hadoop.fs.aliyun.oss.AliyunOSSInputStream.seek(long)
> Called method java.io.InputStream.skip(long)
> At AliyunOSSInputStream.java:[line 235]
> RR
> org.apache.hadoop.fs.aliyun.oss.AliyunOSSOutputStream.multipartUploadObject()
> ignores result of java.io.FileInputStream.skip(long)
> Bug type SR_NOT_CHECKED (click for details)
> In class org.apache.hadoop.fs.aliyun.oss.AliyunOSSOutputStream
> In method
> org.apache.hadoop.fs.aliyun.oss.AliyunOSSOutputStream.multipartUploadObject()
> Called method java.io.FileInputStream.skip(long)
> At AliyunOSSOutputStream.java:[line 177]
> RV Exceptional return value of java.io.File.delete() ignored in
> org.apache.hadoop.fs.aliyun.oss.AliyunOSSOutputStream.close()
> Bug type RV_RETURN_VALUE_IGNORED_BAD_PRACTICE (click for details)
> In class org.apache.hadoop.fs.aliyun.oss.AliyunOSSOutputStream
> In method org.apache.hadoop.fs.aliyun.oss.AliyunOSSOutputStream.close()
> Called method java.io.File.delete()
> At AliyunOSSOutputStream.java:[line 116]
> {code}
> {code:title=Multithreaded correctness Warnings|borderStyle=solid}
> Code Warning
> IS Inconsistent synchronization of
> org.apache.hadoop.fs.aliyun.oss.AliyunOSSInputStream.partRemaining; locked
> 90% of time
> Bug type IS2_INCONSISTENT_SYNC (click for details)
> In class org.apache.hadoop.fs.aliyun.oss.AliyunOSSInputStream
> Field org.apache.hadoop.fs.aliyun.oss.AliyunOSSInputStream.partRemaining
> Synchronized 90% of the time
> Unsynchronized access at AliyunOSSInputStream.java:[line 234]
> Synchronized access at AliyunOSSInputStream.java:[line 106]
> Synchronized access at AliyunOSSInputStream.java:[line 168]
> Synchronized access at AliyunOSSInputStream.java:[line 189]
> Synchronized access at AliyunOSSInputStream.java:[line 188]
> Synchronized access at AliyunOSSInputStream.java:[line 188]
> Synchronized access at AliyunOSSInputStream.java:[line 190]
> Synchronized access at AliyunOSSInputStream.java:[line 113]
> Synchronized access at AliyunOSSInputStream.java:[line 131]
> Synchronized access at AliyunOSSInputStream.java:[line 131]
> IS Inconsistent synchronization of
> org.apache.hadoop.fs.aliyun.oss.AliyunOSSInputStream.position; locked 66% of
> time
> Bug type IS2_INCONSISTENT_SYNC (click for details)
> In class org.apache.hadoop.fs.aliyun.oss.AliyunOSSInputStream
> Field org.apache.hadoop.fs.aliyun.oss.AliyunOSSInputStream.position
> Synchronized 66% of the time
> dUnsynchronized access at AliyunOSSInputStream.java:[line 232]
> Unsynchronized access at AliyunOSSInputStream.java:[line 234]
> Unsynchronized access at AliyunOSSInputStream.java:[line 234]
> Unsynchronized access at AliyunOSSInputStream.java:[line 235]
> Unsynchronized access at AliyunOSSInputStream.java:[line 236]
> Unsynchronized access at AliyunOSSInputStream.java:[line 245]
> Synchronized access at AliyunOSSInputStream.java:[line 222]
> Synchronized access at AliyunOSSInputStream.java:[line 105]
> Synchronized access at AliyunOSSInputStream.java:[line 167]
> Synchronized access at AliyunOSSInputStream.java:[line 169]
> Synchronized access at AliyunOSSInputStream.java:[line 187]
> Synchronized access at AliyunOSSInputStream.java:[line 187]
> Synchronized access at AliyunOSSInputStream.java:[line 113]
> Synchronized access at AliyunOSSInputStream.java:[line 114]
> Synchronized access at AliyunOSSInputStream.java:[line 130]
> Synchronized access at AliyunOSSInputStream.java:[line 130]
> Synchronized access at AliyunOSSInputStream.java:[line 259]
> Synchronized access at AliyunOSSInputStream.java:[line 266]
> IS Inconsistent synchronization of
> org.apache.hadoop.fs.aliyun.oss.AliyunOSSInputStream.wrappedStream; locked
> 85% of time
> Bug type IS2_INCONSISTENT_SYNC (click for details)
> In class org.apache.hadoop.fs.aliyun.oss.AliyunOSSInputStream
> Field org.apache.hadoop.fs.aliyun.oss.AliyunOSSInputStream.wrappedStream
> Synchronized 85% of the time
> Unsynchronized access at AliyunOSSInputStream.java:[line 235]
> Synchronized access at AliyunOSSInputStream.java:[line 92]
> Synchronized access at AliyunOSSInputStream.java:[line 96]
> Synchronized access at AliyunOSSInputStream.java:[line 101]
> Synchronized access at AliyunOSSInputStream.java:[line 102]
> Synchronized access at AliyunOSSInputStream.java:[line 178]
> Synchronized access at AliyunOSSInputStream.java:[line 123]
> {code}
> {code:title=Dodgy code Warnings|borderStyle=solid}
> Code Warning
> REC Exception is caught when Exception is not thrown in
> org.apache.hadoop.fs.aliyun.oss.AliyunOSSFileSystem.multipartCopy(String,
> long, String)
> Bug type REC_CATCH_EXCEPTION (click for details)
> In class org.apache.hadoop.fs.aliyun.oss.AliyunOSSFileSystem
> In method
> org.apache.hadoop.fs.aliyun.oss.AliyunOSSFileSystem.multipartCopy(String,
> long, String)
> At AliyunOSSFileSystem.java:[line 785]
> REC Exception is caught when Exception is not thrown in
> org.apache.hadoop.fs.aliyun.oss.AliyunOSSOutputStream.multipartUploadObject()
> Bug type REC_CATCH_EXCEPTION (click for details)
> In class org.apache.hadoop.fs.aliyun.oss.AliyunOSSOutputStream
> In method
> org.apache.hadoop.fs.aliyun.oss.AliyunOSSOutputStream.multipartUploadObject()
> At AliyunOSSOutputStream.java:[line 201]
> {code}
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