実行
$ java -XX:MaxMetaspaceSize=1m -version
Error occurred during initialization of VM
OutOfMemoryError: Metaspace
環境
Metaspace は JDK8 以降から。
$ java -version
openjdk version "1.8.0_05"
OpenJDK Runtime Environment (build 1.8.0_05-b13)
OpenJDK 64-Bit Server VM (build 25.5-b02, mixed mode)
原因
単なる verify 漏れ
$ java -XX:MaxMetaspaceSize=1024 -version
Error occurred during initialization of VM
Too small initial Metaspace size
おまけ
Xmxでも1mと1024は扱いが違う。
$ java -Xmx1m -version
openjdk version "1.8.0_05"
OpenJDK Runtime Environment (build 1.8.0_05-b13)
OpenJDK 64-Bit Server VM (build 25.5-b02, mixed mode)
$ java -Xmx1024 -version
Error occurred during initialization of VM
Too small initial heap