如何解决使用 Java 15 抛出异常启用持久性的 Apache Ignite 服务器节点 (2.9.1)
例外:
[15:30:27,658][SEVERE][main][IgniteKernal] Exception during start processors,node will be stopped and close connections
java.lang.NullPointerException: Cannot invoke "java.lang.reflect.Method.invoke(Object,Object[])" because "org.apache.ignite.internal.processors.cache.persistence.wal.filehandle.FileWriteHandleImpl.mappingOffset" is null
at org.apache.ignite.internal.processors.cache.persistence.wal.filehandle.FileWriteHandleImpl.fsync(FileWriteHandleImpl.java:450)
at org.apache.ignite.internal.processors.cache.persistence.wal.filehandle.FileWriteHandleImpl.fsync(FileWriteHandleImpl.java:419)
at org.apache.ignite.internal.processors.cache.persistence.wal.filehandle.FileHandleManagerImpl.flush(FileHandleManagerImpl.java:270)
at org.apache.ignite.internal.processors.cache.persistence.wal.FileWriteAheadLogManager.flush(FileWriteAheadLogManager.java:905)
at org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager.tailPointer(GridCacheDatabaseSharedManager.java:2159)
at org.apache.ignite.internal.processors.cache.persistence.GridCacheDatabaseSharedManager.startMemoryRestore(GridCacheDatabaseSharedManager.java:2087)
at org.apache.ignite.internal.IgniteKernal.start(IgniteKernal.java:1257)
at org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start0(IgnitionEx.java:2052)
at org.apache.ignite.internal.IgnitionEx$IgniteNamedInstance.start(IgnitionEx.java:1698)
at org.apache.ignite.internal.IgnitionEx.start0(IgnitionEx.java:1114)
at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:634)
at org.apache.ignite.internal.IgnitionEx.start(IgnitionEx.java:560)
at org.apache.ignite.Ignition.start(Ignition.java:328)
点燃配置:
public static IgniteConfiguration createConfiguration() {
IgniteConfiguration cfg = new IgniteConfiguration();
// Enabling peer-class loading feature.
cfg.setPeerClassLoadingEnabled(true);
DataStorageConfiguration dataStorageCfg = new DataStorageConfiguration();
// Setting Persistence Enabled true
dataStorageCfg.getDefaultDataRegionConfiguration().setPersistenceEnabled(true);
cfg.setDataStorageConfiguration(dataStorageCfg);
return cfg;
}
虽然与 Java 8 和 11 相同的配置工作正常。
Java 15 中的 PersistenceEnabled(false) 也没有问题
解决方法
Ignite 仅在 Java 的 LTS 版本(即 Java 8 和 11)上进行了真正的测试。我会坚持使用这些版本。
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