>From 1.10, Flink will enable the metaspace limit via "-XX:MaxMetaspaceSize" by default. The default value is 96m, loading too many classes will cause "OutOfMemoryError: Metaspace"[1]. So you need to increase the configured value.
[1]. https://ci.apache.org/projects/flink/flink-docs-release-1.10/ops/memory/mem_trouble.html#outofmemoryerror-metaspace Best, Yang Niels Basjes <ni...@basjes.nl> 于2020年3月2日周一 下午7:16写道： > Hi, > > I'm running a lot of batch jobs on Kubernetes once in a while I get this > exception. > What is causing this? > How can I fix this? > > Niels Basjes > > java.lang.OutOfMemoryError: Metaspace > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClass(ClassLoader.java:757) > at java.security.SecureClassLoader.defineClass(SecureClassLoader.java: > 142) > at java.net.URLClassLoader.defineClass(URLClassLoader.java:468) > at java.net.URLClassLoader.access$100(URLClassLoader.java:74) > at java.net.URLClassLoader$1.run(URLClassLoader.java:369) > at java.net.URLClassLoader$1.run(URLClassLoader.java:363) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:362) > at java.lang.ClassLoader.loadClass(ClassLoader.java:419) > at org.apache.flink.util.ChildFirstClassLoader.loadClass( > ChildFirstClassLoader.java:60) > at java.lang.ClassLoader.loadClass(ClassLoader.java:352) > at java.lang.ClassLoader.defineClass1(Native Method) > at java.lang.ClassLoader.defineClass(ClassLoader.java:757) > at java.security.SecureClassLoader.defineClass(SecureClassLoader.java: > 142) > at java.net.URLClassLoader.defineClass(URLClassLoader.java:468) > at java.net.URLClassLoader.access$100(URLClassLoader.java:74) > at java.net.URLClassLoader$1.run(URLClassLoader.java:369) > at java.net.URLClassLoader$1.run(URLClassLoader.java:363) > at java.security.AccessController.doPrivileged(Native Method) > at java.net.URLClassLoader.findClass(URLClassLoader.java:362) > at java.lang.ClassLoader.loadClass(ClassLoader.java:419) > at org.apache.flink.util.ChildFirstClassLoader.loadClass( > ChildFirstClassLoader.java:60) > at java.lang.ClassLoader.loadClass(ClassLoader.java:352) > at org.apache.logging.log4j.LogManager.<clinit>(LogManager.java:60) > at org.elasticsearch.common.logging.ESLoggerFactory.getLogger( > ESLoggerFactory.java:45) > at org.elasticsearch.common.logging.ESLoggerFactory.getLogger( > ESLoggerFactory.java:53) > at org.elasticsearch.common.logging.Loggers.getLogger(Loggers.java:104 > ) > at org.elasticsearch.common.unit.ByteSizeValue.<clinit>(ByteSizeValue > .java:39) > at org.elasticsearch.action.bulk.BulkProcessor$Builder.<init>( > BulkProcessor.java:88) > at org.elasticsearch.action.bulk.BulkProcessor$Builder.<init>( > BulkProcessor.java:80) > at org.elasticsearch.action.bulk.BulkProcessor.builder(BulkProcessor > .java:174) > > -- > Best regards / Met vriendelijke groeten, > > Niels Basjes >
