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https://issues.apache.org/jira/browse/HADOOP-19329?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17897016#comment-17897016
]
ASF GitHub Bot commented on HADOOP-19329:
-----------------------------------------
myandpr commented on code in PR #7145:
URL: https://github.com/apache/hadoop/pull/7145#discussion_r1835724562
##########
LICENSE-binary:
##########
@@ -521,6 +521,11 @@ junit:junit:4.13.2
org.jacoco:org.jacoco.agent:0.8.5
+Eclipse Public License 2.0
+--------------------------
+
+com.github.jnr:jnr-posix:3.1.19
Review Comment:
Exactly, and the problem is that sun.misc package is no longer supported
after JDK 9，even removed in a future release( related information:
[https://openjdk.org/jeps/260](https://openjdk.org/jeps/260)).
> Remove usage of sun.misc.Signal
> -------------------------------
>
> Key: HADOOP-19329
> URL: https://issues.apache.org/jira/browse/HADOOP-19329
> Project: Hadoop Common
> Issue Type: Bug
> Components: build
> Reporter: yanmin
> Assignee: yanmin
> Priority: Major
> Labels: pull-request-available
>
> when we build hadoop in JDK11 runtime based on
> [https://github.com/apache/hadoop/pull/7085,] JDK11 build is failing as
> flowing due to: {{package sun.misc does not exist}} in.
>
> This is because that package sun.misc is not supported after jdk11.
> {code:java}
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-compiler-plugin:3.10.1:compile
> (default-compile) on project hadoop-common: Compilation failure: Compilation
> failure:
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/SignalLogger.java:[22,16]
> package sun.misc does not exist
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/SignalLogger.java:[23,16]
> package sun.misc does not exist
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/SignalLogger.java:[44,43]
> cannot find symbol
> [ERROR] symbol: class SignalHandler
> [ERROR] location: class org.apache.hadoop.util.SignalLogger
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/SignalLogger.java:[46,19]
> cannot find symbol
> [ERROR] symbol: class SignalHandler
> [ERROR] location: class org.apache.hadoop.util.SignalLogger.Handler
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/SignalLogger.java:[59,24]
> cannot find symbol
> [ERROR] symbol: class Signal
> [ERROR] location: class org.apache.hadoop.util.SignalLogger.Handler
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/service/launcher/IrqHandler.java:[26,16]
> package sun.misc does not exist
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/service/launcher/IrqHandler.java:[27,16]
> package sun.misc does not exist
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/service/launcher/IrqHandler.java:[42,42]
> cannot find symbol
> [ERROR] symbol: class SignalHandler
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/service/launcher/IrqHandler.java:[71,11]
> cannot find symbol
> [ERROR] symbol: class Signal
> [ERROR] location: class org.apache.hadoop.service.launcher.IrqHandler
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/service/launcher/IrqHandler.java:[126,22]
> cannot find symbol
> [ERROR] symbol: class Signal
> [ERROR] location: class org.apache.hadoop.service.launcher.IrqHandler
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/nativeio/NativeIO.java:[48,16]
> package sun.misc does not exist
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/FastByteComparisons.java:[27,16]
> package sun.misc does not exist
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/FastByteComparisons.java:[134,20]
> cannot find symbol
> [ERROR] symbol: class Unsafe
> [ERROR] location: class
> org.apache.hadoop.io.FastByteComparisons.LexicographicalComparerHolder.UnsafeComparer
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/SignalLogger.java:[50,39]
> cannot find symbol
> [ERROR] symbol: class Signal
> [ERROR] location: class org.apache.hadoop.util.SignalLogger.Handler
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/SignalLogger.java:[50,21]
> cannot find symbol
> [ERROR] symbol: variable Signal
> [ERROR] location: class org.apache.hadoop.util.SignalLogger.Handler
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/SignalLogger.java:[58,5]
> method does not override or implement a method from a supertype
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/service/launcher/IrqHandler.java:[92,20]
> cannot find symbol
> [ERROR] symbol: class Signal
> [ERROR] location: class org.apache.hadoop.service.launcher.IrqHandler
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/service/launcher/IrqHandler.java:[93,7]
> cannot find symbol
> [ERROR] symbol: variable Signal
> [ERROR] location: class org.apache.hadoop.service.launcher.IrqHandler
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/service/launcher/IrqHandler.java:[113,5]
> cannot find symbol
> [ERROR] symbol: variable Signal
> [ERROR] location: class org.apache.hadoop.service.launcher.IrqHandler
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/service/launcher/IrqHandler.java:[125,3]
> method does not override or implement a method from a supertype
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/nativeio/NativeIO.java:[901,17]
> cannot find symbol
> [ERROR] symbol: class Unsafe
> [ERROR] location: class org.apache.hadoop.io.nativeio.NativeIO
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/nativeio/NativeIO.java:[903,7]
> cannot find symbol
> [ERROR] symbol: class Unsafe
> [ERROR] location: class org.apache.hadoop.io.nativeio.NativeIO
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/nativeio/NativeIO.java:[903,24]
> cannot find symbol
> [ERROR] symbol: class Unsafe
> [ERROR] location: class org.apache.hadoop.io.nativeio.NativeIO
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/FastByteComparisons.java:[140,22]
> cannot find symbol
> [ERROR] symbol: class Unsafe
> [ERROR] location: class
> org.apache.hadoop.io.FastByteComparisons.LexicographicalComparerHolder.UnsafeComparer
> [ERROR]
> /hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/io/FastByteComparisons.java:[145,29]
> cannot find symbol
> [ERROR] symbol: class Unsafe
> [ERROR] -> [Help 1]
> [ERROR]
> [ERROR] To see the full stack trace of the errors, re-run Maven with the -e
> switch.
> [ERROR] Re-run Maven using the -X switch to enable full debug logging.
> [ERROR]
> [ERROR] For more information about the errors and possible solutions, please
> read the following articles:
> [ERROR] [Help 1]
> http://cwiki.apache.org/confluence/display/MAVEN/MojoFailureException
> [ERROR]
> [ERROR] After correcting the problems, you can resume the build with the
> command
> [ERROR] mvn <args> -rf :hadoop-common
> {code}
> related jira: https://issues.apache.org/jira/browse/HADOOP-19298
>
>
>
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