我使用httpasyncclient 4.1,我发现直接内存不断增长。最后抛出java.lang.OutOfMemoryError。
Exception in thread "I/O dispatcher 2" java.lang.OutOfMemoryError: Direct buffer memory
at java.nio.Bits.reserveMemory(Bits.java:658)
at java.nio.DirectByteBuffer.<init>(DirectByteBuffer.java:123)
at java.ni
当我使用来自java 7的Files.readAllBytes时,我遇到了下面的异常,然后使用apache的FileUtils.readFileToByteArray解决了这个问题。我做了这个决定,在堆积如山的情况下几乎没有什么答案。我试着通过代码来理解,知道主要的区别,这可以解决这个问题,但没有成功。我只想知道这两个解决这个异常的区别。
java.lang.OutOfMemoryError: Direct buffer memory
at java.nio.Bits.reserveMemory(Bits.java:658)
at java.nio.DirectByteBu
我正在运行一个Java socket.io服务器(com.corundumstudio.socketio实现),它过去工作正常,但现在,在我启动()服务器后,我收到了这个错误消息:
Exception in thread "main" org.jboss.netty.channel.ChannelException: Failed to c
reate a selector.
at org.jboss.netty.channel.socket.nio.AbstractNioSelector.openSelector(A
bstractNioSelector.ja
我正在尝试使用CloseableHttpAsyncClient连接消费者api。我调用api,连接池为45,超时时间为5分钟。但是,我得到以下错误:
java.util.concurrent.TimeoutException: null
at org.apache.http.nio.pool.AbstractNIOConnPool.processPendingRequest(AbstractNIOConnPool.java:364)
at org.apache.http.nio.pool.AbstractNIOConnPool.processNextPendingRequest
线程"I/O dispatcher 1“中的org.elasticsearch.client.Response.assertWarningValue(Response.java:193) at org.elasticsearch.client.Response.extractWarningValueFromWarningHeader(Response.java:183) at org.elasticsearch.client.Response.getWarnings(Response.java:205) at org.elasticsearch.client.RestClient$1.
我经常收到下面的异常,我想知道为什么会发生这种情况?经过研究,我发现我可以做.set("spark.submit.deployMode", "nio");,但这也不起作用,我使用的是Spark2.0.0
WARN TransportChannelHandler: Exception in connection from /172.31.3.245:46014
java.io.IOException: Connection reset by peer
at sun.nio.ch.FileDispatcherImpl.read0(Native Met
我试着在我的droplet on Digital Ocean中安装elasticsearch。
当我执行命令启动elasticsearch时,
cd /usr/share/elasticsearch/bin
./elasticsearch
我得到了这个错误:
Exception in thread "main" org.elasticsearch.bootstrap.BootstrapException: java.nio.file.NoSuchFileException: /usr/share/elasticsearch/config
Likely root cause: j
我试着用NFS连接器测试spark 1.6并提交作业,作业成功完成,并在控制台上打印结果。网络用户界面也说它已经完成了。然而,火花-提交永远不会终止。
Took jstack output and noticed few threads are waiting. Is there a way
to figure the reason the hang from the running process?
"Finalizer" #3 daemon prio=8 os_prio=0 tid=0x00007f59000c5000 nid=0x1c80 in Object.w
在尝试使用java.nio.file.Files.createTempDirectory创建临时目录时,我遇到了一个问题。在创建目录时,我一直在获取NoSuchFileException。
这是我的代码:
import java.nio.file.Files;
import java.nio.file.Path;
import java.nio.file.Paths;
public class TempFileTesting {
private static final String ROOT = "/resources/";
public static voi
Android未启动,未能创建子事件循环,无法锁定系统文件夹
io.netty.util.concurrent.MultithreadEventExecutorGroup.(MultithreadEventExecutorGroup.java:81):未能在io.netty.util.concurrent.MultithreadEventExecutorGroup.(MultithreadEventExecutorGroup.java:48) at io.netty.util.concurrent.MultithreadEventExecutorGroup.(MultithreadEvent
发生的OutOfMemoryError太多,已停止cassandra服务。
WARN [New I/O worker #22] 2016-11-03 10:38:15,083 Slf4JLogger.java (line 76) Unexpected exception in the selector loop.
java.lang.OutOfMemoryError: Direct buffer memory
at java.nio.Bits.reserveMemory(Bits.java:658)
at java.nio.DirectByteBuff
我收到异常java.net.BindException:无法分配请求的地址,如果发生此异常,我会尝试将其再次绑定到相同的端口和主机。但是在尝试绑定之后,我得到了java.io.IOException:打开的文件太多了。
堆栈跟踪:
java.net.BindException: Cannot assign requested address
at sun.nio.ch.Net.bind0(Native Method)
at sun.nio.ch.Net.bind(Net.java:444)
at sun.nio.ch.Net.bind(Net.java:436)
RestHighLevelClient用于在春季引导应用程序中连接到ES6.4(托管在AWS上)。当应用程序空闲一段时间,请求到达时,RestHighLevelClient抛出SocketTimeoutException
[Request processing failed; nested exception is org.springframework.data.elasticsearch.ElasticsearchException: Error while bulk for request: org.elasticsearch.action.bulk.BulkRequest@21511b
我最近开始了解Apache Ignite,我有一个新手问题。我正在尝试创建2个ignite节点(1个服务器节点和1个客户端)。我成功地启动了服务器节点,但是当我尝试启动客户端节点时,我得到了一个错误:
[04:23:19,478][SEVERE][grid-nio-worker-0-#29%testGrid-client2%][TcpCommunicationSpi] Closing NIO session because of unhandled exception.
class org.apache.ignite.internal.util.nio.GridNioException: nu
对于sonarqube5.2,它使用Files.createDirectories,它不喜欢最后一部分是一个sym链接。
Caused by: java.nio.file.FileAlreadyExistsException: /home/bamboo/.sonar
at sun.nio.fs.UnixException.translateToIOException(UnixException.java:88)
at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)
at sun.
我遇到一个问题,服务器(Apache)间歇性地抛出"java.nio.channels.ClosedChannelException“。
java.nio.channels.ClosedChannelException
at sun.nio.ch.SocketChannelImpl.ensureWriteOpen(SocketChannelImpl.java:135)
at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:326)
at org.apache.http.impl.nio.reactor.SessionO
当我从客户端异步发送消息,然后关闭通道时,Netty抛出以下异常。
java.nio.channels.ClosedChannelException
at sun.nio.ch.SocketChannelImpl.ensureWriteOpen(SocketChannelImpl.java:133)
at sun.nio.ch.SocketChannelImpl.write(SocketChannelImpl.java:324)
at org.jboss.netty.channel.socket.nio.SocketSendBufferPool$PooledSendBuffer.transfe
Failed to initialize end point associated with ProtocolHandler ["http-nio-8080"]
java.io.IOException: Unable to establish loopback connection
at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:94)
at sun.nio.ch.PipeImpl$Initializer.run(PipeImpl.java:61)
at java.security.AccessC
我们在Quarkus环境中实现一个gRPC客户端,但是请求尚未完成。
java.io.IOException: An existing connection was forcibly closed by the remote host
at java.base/sun.nio.ch.SocketDispatcher.read0(Native Method)
at java.base/sun.nio.ch.SocketDispatcher.read(SocketDispatcher.java:43)
at java.base/sun.nio.ch.IOUtil.readI