neocrm

fastjson的ParserConfig的IdentityHashMap内存泄漏

1

MAT分析内存dump，发现如下问题；使用的fastJson版本为1.2.78 ；求解答 One instance of "com.alibaba.fastjson.parser.ParserConfig" loaded by "sun.misc.Launcher$AppClassLoader @ 0x700023490" occupies 123,899,072 (24.80%) bytes. The memory is accumulated in one instance of "com.alibaba.fastjson.util.IdentityHashMap$Entry[]" loaded by "sun.misc.Launcher$AppClassLoader @ 0x700023490". Keywords...

cat 客户端 报 堆外内存溢出

1

采用cat 做监控 客户端 报 如下错误： Error when sending message over TCP socket! io.netty.util.internal.OutOfDirectMemoryError: failed to allocate 16777216 byte(s) of direct memory (used: 4143972352, max: 4151836672 这种问题一般怎么解决？