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https://issues.apache.org/jira/browse/HBASE-25472?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17260297#comment-17260297
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Viraj Jasani commented on HBASE-25472:
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[~weichiu] I think this is taken care of by
[https://github.com/apache/hbase/commit/73d079eb67abdded404e0438eb75d2c4b1264644]
JDK7 nightly report seems fine, mvninstall is green:
https://ci-hadoop.apache.org/job/HBase/job/HBase%20Nightly/job/branch-1/73/JDK7_20Nightly_20Build_20Report/
> HBASE-24260 breaks JDK7 compilation in branch-1
> -----------------------------------------------
>
> Key: HBASE-25472
> URL: https://issues.apache.org/jira/browse/HBASE-25472
> Project: HBase
> Issue Type: Bug
> Reporter: Wei-Chiu Chuang
> Priority: Blocker
>
> Found in PR-2799.
> {code}
> public static String getZKQuorum(Configuration conf) {
> String port =
> Integer.toString(conf.getInt(HConstants.ZOOKEEPER_CLIENT_PORT, 2181));
> String[] serverHosts = conf.getStrings(HConstants.ZOOKEEPER_QUORUM,
> "localhost");
> for (int i = 0; i < serverHosts.length; i++) {
> serverHosts[i] = serverHosts[i] + ":" + port;
> }
> return String.join(",", serverHosts);
> }
> {code}
> Fails to compile
> {quote}
> [ERROR] Failed to execute goal
> org.apache.maven.plugins:maven-compiler-plugin:3.8.1:compile
> (default-compile) on project hbase-it: Compilation failure
> [ERROR]
> /home/jenkins/jenkins-home/workspace/Base-PreCommit-GitHub-PR_PR-2799/src/hbase-it/src/main/java/org/apache/hadoop/hbase/chaos/ChaosUtils.java:[46,18]
> cannot find symbol
> [ERROR] symbol: method join(java.lang.String,java.lang.String[])
> [ERROR] location: class java.lang.String
> {quote}
> because String.join() is only available since JDK8.
> CC: [~lokiore] [~ndimiduk]
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