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JVM (OpenJDK 11) fails to start when JFR is enabled #243

laszlocsontos opened this Issue Oct 12, 2018 · 1 comment


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3 participants

laszlocsontos commented Oct 12, 2018

This is a bug in the current openjdk-11-jdk package Debian provides.
Related bug report: JVM fails to start when JFR is enabled

How to reproduce

% docker run openjdk:11 \
  java -XX:StartFlightRecording=disk=true,dumponexit=true,filename=/tmp/test.jfr -version

Could not parse setting default
Error occurred during initialization of VM
Failure when starting JFR on_vm_start


The problem is caused by missing JFC files from the OpenJDK installation.

Another JDK installation which I created form the official tarball has
the following files:

# ls -l /opt/jdk-11/lib/jfr/
total 56
-rw-r--r-- 1 668 668 28012 Aug 23 03:57 default.jfc
-rw-r--r-- 1 668 668 27963 Aug 23 03:57 profile.jfc

On the other hand, that one I'm having the problem with doesn't even have
the JFR folder

# ls -l /usr/lib/jvm/java-11-openjdk-amd64/lib/jfr
ls: cannot access '/usr/lib/jvm/java-11-openjdk-amd64/lib/jfr': No such file or directory


Build a custom container image and add the following RUN statement after FROM openjdk:11.

# Workaround for
RUN mkdir -p /docker-java-home/lib/jfr && \
    wget \
      -O /docker-java-home/lib/jfr/default.jfc && \
    wget \
      -O /docker-java-home/lib/jfr/profile.jfc

The default JFR profile will be found after that.

% docker run 637bba0e215b java -XX:StartFlightRecording=disk=true,dumponexit=true,filename=/tmp/test.jfr -version 
Started recording 1. No limit specified, using maxsize=250MB as default.

Use jcmd 1 JFR.dump name=1 to copy recording data to file.
openjdk version "11" 2018-09-25
OpenJDK Runtime Environment (build 11+28-Debian-3)
OpenJDK 64-Bit Server VM (build 11+28-Debian-3, mixed mode, sharing)

Related PR: #244


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tianon commented Oct 30, 2018

This appears to work great out-of-the-box on openjdk:11-oracle (introduced in #235), so I'd recommend giving that a shot if it works for your use case. At the very least, you could use openjdk:11-oracle's jlink to generate yourself a minimal JRE to then use in Debian (if Debian is a requirement). 👍

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