pan3793 commented on PR #7759: URL: https://github.com/apache/hadoop/pull/7759#issuecomment-3002579600
@cnauroth `sun.misc.Signal` class exists in both JDK 8 and JDK 9+, but it is not a public API, see https://bugs.openjdk.org/browse/JDK-8149750. If we don't pursue compiling Hadoop using a modern JDK with `-release 8`(see below), we don't need this patch. ``` export JAVA_HOME=/path/of/openjdk-17 mvn compile -DskipTests -Djavac.version=8 -Dmaven.compiler.release=8 ``` ``` ... [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] /Users/chengpan/Projects/apache-hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/SignalLogger.java:[22,16] package sun.misc does not exist [ERROR] /Users/chengpan/Projects/apache-hadoop/hadoop-common-project/hadoop-common/src/main/java/org/apache/hadoop/util/SignalLogger.java:[23,16] package sun.misc does not exist [ERROR] /Users/chengpan/Projects/apache-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 ... ``` -- This is an automated message from the Apache Git Service. To respond to the message, please log on to GitHub and use the URL above to go to the specific comment. To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For queries about this service, please contact Infrastructure at: us...@infra.apache.org --------------------------------------------------------------------- To unsubscribe, e-mail: common-issues-unsubscr...@hadoop.apache.org For additional commands, e-mail: common-issues-h...@hadoop.apache.org
