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https://issues.apache.org/jira/browse/SOLR-16721?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=17707420#comment-17707420
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ASF subversion and git services commented on SOLR-16721:
--------------------------------------------------------
Commit f7fe594cdadeadd1e0061075a55a529793e72462 in solr's branch
refs/heads/main from Jan Høydahl
[ https://gitbox.apache.org/repos/asf?p=solr.git;h=f7fe594cdad ]
SOLR-16721 Java version detection fails when `_JAVA_OPTIONS` is set (#1502)
> Java version detection fails when `_JAVA_OPTIONS` is set
> --------------------------------------------------------
>
> Key: SOLR-16721
> URL: https://issues.apache.org/jira/browse/SOLR-16721
> Project: Solr
> Issue Type: Bug
> Security Level: Public(Default Security Level. Issues are Public)
> Components: SolrCLI
> Affects Versions: 9.2
> Environment: JDK version:
> {code:java}
> openjdk version "19.0.2" 2023-01-17
> OpenJDK Runtime Environment Homebrew (build 19.0.2)
> OpenJDK 64-Bit Server VM Homebrew (build 19.0.2, mixed mode, sharing) {code}
> OS version: macOS 11, 12, 13 (x86_64 and arm64); Ubuntu 22.04 (x86_64)
> Reporter: Ruoyu Zhong
> Assignee: Jan Høydahl
> Priority: Minor
> Time Spent: 2h
> Remaining Estimate: 0h
>
> When the environment variable {{_JAVA_OPTIONS}} is set, {{solr}} fails with
> the following error:
> {code:java}
> $ solr -i
> Your current version of Java is too old to run this version of Solr.
> We found major version , using command
> '/opt/homebrew/opt/openjdk/libexec/openjdk.jdk/Contents/Home/bin/java
> -version', with response:
> Picked up _JAVA_OPTIONS:
> -Duser.home=/Users/brew/Library/Caches/Homebrew/java_cache
> -Djava.io.tmpdir=/private/tmp
> openjdk version "19.0.2" 2023-01-17
> OpenJDK Runtime Environment Homebrew (build 19.0.2)
> OpenJDK 64-Bit Server VM Homebrew (build 19.0.2, mixed mode, sharing)
> Please install latest version of Java 11 or set JAVA_HOME properly. {code}
> This is because in the following version check logic (taken from
> [here|https://github.com/apache/solr/blob/a2f6565415663908163f9490856cf0fcfda88b41/solr/bin/solr#L166]),
> only first line of {{java -version}} output is examined:
> {code:java}
> JAVA_VER_NUM=$(echo "$JAVA_VER" | head -1 | awk -F '"' '/version/ {print $2}'
> | sed -e's/^1\.//' | sed -e's/[._-].*$//') {code}
> But as indicated in the output above, {{java}} outputs "{{{}Picked up
> _JAVA_OPTIONS{}}}" on the first line instead, if {{_JAVA_OPTIONS}} is set.
> So, the version on the second line is not picked up.
> I believe that it's [this recent
> change|https://github.com/apache/solr/commit/025c0305fa829baa770f62c81654af8a708753d9]
> (SOLR-9509), which added a pair of quotes around {{{}$JAVA_VER{}}}, that
> introduced this regression. This used to work in an unintended way, because
> Bash treated the unquoted {{$JAVA_VER}} variable as an array of separate
> arguments and output that in a single line. But after introducing the double
> quotes, the newlines in {{$JAVA_VER}} are now preserved.
> {code:java}
> $ JAVA_VER="$(java -version 2>&1)"
> $ echo $JAVA_VER
> Picked up _JAVA_OPTIONS:
> -Duser.home=/Users/ruoyu/Library/Caches/Homebrew/java_cache
> -Djava.io.tmpdir=/private/tmp openjdk version "19.0.2" 2023-01-17 OpenJDK
> Runtime Environment Homebrew (build 19.0.2) OpenJDK 64-Bit Server VM Homebrew
> (build 19.0.2, mixed mode, sharing)
> $ echo "$JAVA_VER"
> Picked up _JAVA_OPTIONS:
> -Duser.home=/Users/ruoyu/Library/Caches/Homebrew/java_cache
> -Djava.io.tmpdir=/private/tmp
> openjdk version "19.0.2" 2023-01-17
> OpenJDK Runtime Environment Homebrew (build 19.0.2)
> OpenJDK 64-Bit Server VM Homebrew (build 19.0.2, mixed mode, sharing) {code}
>
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