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Posted to issues@flink.apache.org by "Chesnay Schepler (JIRA)" <ji...@apache.org> on 2017/05/14 19:57:04 UTC
[jira] [Assigned] (FLINK-6370) FileAlreadyExistsException on
startup
[ https://issues.apache.org/jira/browse/FLINK-6370?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]
Chesnay Schepler reassigned FLINK-6370:
---------------------------------------
Assignee: Chesnay Schepler
> FileAlreadyExistsException on startup
> -------------------------------------
>
> Key: FLINK-6370
> URL: https://issues.apache.org/jira/browse/FLINK-6370
> Project: Flink
> Issue Type: Bug
> Components: Webfrontend
> Affects Versions: 1.2.0
> Reporter: Andrey
> Assignee: Chesnay Schepler
>
> Currently static web resources are lazily cached onto disk during first request. However if 2 concurrent requests will be executed, then FileAlreadyExistsException will be in logs.
> {code}
> 2017-04-24 14:00:58,075 ERROR org.apache.flink.runtime.webmonitor.files.StaticFileServerHandler - error while responding [nioEventLoopGroup-3-2]
> java.nio.file.FileAlreadyExistsException: /flink/web/flink-web-528f8cb8-dd60-433c-8f6c-df49ad0b79e0/index.html
> at sun.nio.fs.UnixException.translateToIOException(UnixException.java:88)
> at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:102)
> at sun.nio.fs.UnixException.rethrowAsIOException(UnixException.java:107)
> at sun.nio.fs.UnixFileSystemProvider.newByteChannel(UnixFileSystemProvider.java:214)
> at java.nio.file.spi.FileSystemProvider.newOutputStream(FileSystemProvider.java:434)
> at java.nio.file.Files.newOutputStream(Files.java:216)
> at java.nio.file.Files.copy(Files.java:3016)
> at org.apache.flink.runtime.webmonitor.files.StaticFileServerHandler.respondAsLeader(StaticFileServerHandler.java:238)
> at org.apache.flink.runtime.webmonitor.files.StaticFileServerHandler.channelRead0(StaticFileServerHandler.java:197)
> at org.apache.flink.runtime.webmonitor.files.StaticFileServerHandler.channelRead0(StaticFileServerHandler.java:99)
> at io.netty.channel.SimpleChannelInboundHandler.channelRead(SimpleChannelInboundHandler.java:105)
> at io.netty.channel.AbstractChannelHandlerContext.invokeChannelRead(AbstractChannelHandlerContext.java:339)
> at io.netty.channel.AbstractChannelHandlerContext.fireChannelRead(AbstractChannelHandlerContext.java:324)
> at io.netty.handler.codec.http.router.Handler.routed(Handler.java:62)
> {code}
> Expect:
> * extract all static resources on startup in main thread and before opening http port.
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