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https://issues.apache.org/jira/browse/HADOOP-19785?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=18055419#comment-18055419
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ASF GitHub Bot commented on HADOOP-19785:
-----------------------------------------
pan3793 commented on code in PR #8182:
URL: https://github.com/apache/hadoop/pull/8182#discussion_r2745818581
##########
hadoop-project/pom.xml:
##########
@@ -2823,7 +2830,8 @@
</activation>
<properties>
<javac.version>17</javac.version>
- <maven.compiler.release>${javac.version}</maven.compiler.release>
Review Comment:
I think we want to keep this, so that we can use a higher version of JDK to
build Hadoop, but produce Java 17 compatible bytecode. If this fails on some
modules, can we just disable it on these specific modules?
BTW, the activation condition of `jdk17+` profile is already true, we can
remove it and move the content to the top level.
> mvn site fails in JDK17
> -----------------------
>
> Key: HADOOP-19785
> URL: https://issues.apache.org/jira/browse/HADOOP-19785
> Project: Hadoop Common
> Issue Type: Sub-task
> Components: build, site
> Reporter: Akira Ajisaka
> Assignee: Akira Ajisaka
> Priority: Blocker
> Labels: pull-request-available
>
> mvn site fails in JDK17:
> https://github.com/apache/hadoop/actions/runs/20970062036/job/60270782439
> {noformat}
> Error:
> /home/runner/work/hadoop/hadoop/hadoop-common-project/hadoop-kms/src/main/java/org/apache/hadoop/crypto/key/kms/server/KMSWebApp.java:26:
> error: cannot find symbol
> Error: import com.codahale.metrics.JmxReporter;
> Error: ^
> Error: symbol: class JmxReporter
> Error: location: package com.codahale.metrics
> Error:
> /home/runner/work/hadoop/hadoop/hadoop-common-project/hadoop-kms/src/main/java/org/apache/hadoop/crypto/key/kms/server/KMSWebApp.java:69:
> error: cannot find symbol
> Error: private JmxReporter jmxReporter;
> Error: ^
> Error: symbol: class JmxReporter
> Error: location: class KMSWebApp
> Error:
> /home/runner/work/hadoop/hadoop/hadoop-tools/hadoop-dynamometer/hadoop-dynamometer-infra/src/main/java/org/apache/hadoop/tools/dynamometer/SimulatedDataNodes.java:36:
> error: cannot find symbol
> Error: import org.apache.hadoop.hdfs.MiniDFSCluster;
> Error: ^
> Error: symbol: class MiniDFSCluster
> Error: location: package org.apache.hadoop.hdfs
> Error:
> /home/runner/work/hadoop/hadoop/hadoop-tools/hadoop-dynamometer/hadoop-dynamometer-infra/src/main/java/org/apache/hadoop/tools/dynamometer/SimulatedDataNodes.java:41:
> error: cannot find symbol
> Error: import org.apache.hadoop.hdfs.server.datanode.DataNodeTestUtils;
> Error: ^
> Error: symbol: class DataNodeTestUtils
> Error: location: package org.apache.hadoop.hdfs.server.datanode
> Error:
> /home/runner/work/hadoop/hadoop/hadoop-tools/hadoop-dynamometer/hadoop-dynamometer-infra/src/main/java/org/apache/hadoop/tools/dynamometer/SimulatedDataNodes.java:42:
> error: cannot find symbol
> Error: import org.apache.hadoop.hdfs.server.datanode.SimulatedFSDataset;
> Error: ^
> Error: symbol: class SimulatedFSDataset
> Error: location: package org.apache.hadoop.hdfs.server.datanode
> Error: [ERROR] 5 errors
> {noformat}
> even after fixing the above error by adding dependencies and upgrading
> plugins, I'm facing the below error in Hadoop's custom Doclet:
> {noformat}
> [ERROR] java.lang.ClassCastException: class jdk.proxy1.$Proxy0 cannot be cast
> to
> class jdk.javadoc.internal.tool.DocEnvImpl (jdk.proxy1.$Proxy0 is in module
> jdk.proxy1 of loader 'app'; jdk.javadoc.internal.tool.DocEnvImpl is in module
> jdk.javadoc of
> loader 'app')
> [ERROR] at
> jdk.javadoc/jdk.javadoc.internal.doclets.toolkit.WorkArounds.<init>(WorkArounds.java:104)
> [ERROR] at
> jdk.javadoc/jdk.javadoc.internal.doclets.toolkit.BaseConfiguration.initConfiguration(BaseConfiguration.java:251)
> [ERROR] at
> jdk.javadoc/jdk.javadoc.internal.doclets.formats.html.HtmlConfiguration.initConfiguration(HtmlConfiguration.java:220)
> [ERROR] at
> jdk.javadoc/jdk.javadoc.internal.doclets.toolkit.AbstractDoclet.run(AbstractDoclet.java:104)
> [ERROR] at
> jdk.javadoc/jdk.javadoc.doclet.StandardDoclet.run(StandardDoclet.java:103)
> [ERROR] at
> org.apache.hadoop.classification.tools.IncludePublicAnnotationsStandardDoclet.run(IncludePublicAnnotationsStandardDoclet.java:152)
> [ERROR] at
> jdk.javadoc/jdk.javadoc.internal.tool.Start.parseAndExecute(Start.java:556)
> [ERROR] at
> jdk.javadoc/jdk.javadoc.internal.tool.Start.begin(Start.java:393)
> [ERROR] at
> jdk.javadoc/jdk.javadoc.internal.tool.Start.begin(Start.java:342)
> [ERROR] at
> jdk.javadoc/jdk.javadoc.internal.tool.Main.execute(Main.java:63)
> [ERROR] at jdk.javadoc/jdk.javadoc.internal.tool.Main.main(Main.java:52)
> [ERROR] 2 errors
> {noformat}
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