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https://issues.apache.org/jira/browse/HADOOP-7688?page=com.atlassian.jira.plugin.system.issuetabpanels:comment-tabpanel&focusedCommentId=13142416#comment-13142416
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Tsz Wo (Nicholas), SZE commented on HADOOP-7688:
------------------------------------------------
>From the log of TestWebHdfsFileSystemContract below, some filters and Jersey
>resources are not initialized before http server startup.
{noformat}
2011-11-02 11:58:24,397 INFO namenode.NameNode
(NameNodeHttpServer.java:run(182)) - NameNode Web-server up at:
localhost/127.0.0.1:52819
2011-11-02 11:58:24,397 INFO ipc.Server (Server.java:run(649)) - IPC Server
Responder: starting
2011-11-02 11:58:24,397 INFO ipc.Server (Server.java:run(480)) - IPC Server
listener on 52818: starting
2011-11-02 11:58:24,398 INFO ipc.Server (Server.java:run(1487)) - IPC Server
handler 0 on 52818: starting
2011-11-02 11:58:24,398 INFO ipc.Server (Server.java:run(1487)) - IPC Server
handler 1 on 52818: starting
2011-11-02 11:58:24,398 INFO ipc.Server (Server.java:run(1487)) - IPC Server
handler 2 on 52818: starting
2011-11-02 11:58:24,399 INFO namenode.NameNode (NameNode.java:initialize(344))
- NameNode up at: localhost/127.0.0.1:52818
2011-11-02 11:58:24,400 INFO hdfs.MiniDFSCluster
(MiniDFSCluster.java:startDataNodes(883)) - Starting DataNode 0 with
dfs.datanode.data.dir:
file:/Users/szetszwo/hadoop/t2/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/data/data1/,file:/Users/szetszwo/hadoop/t2/hadoop-hdfs-project/hadoop-hdfs/target/test/data/dfs/data/data2/
2011-11-02 11:58:24,407 INFO security.UserGroupInformation
(UserGroupInformation.java:initUGI(237)) - JAAS Configuration already set up
for Hadoop, not re-installing.
2011-11-02 11:58:24,439 WARN util.NativeCodeLoader
(NativeCodeLoader.java:<clinit>(62)) - Unable to load native-hadoop library for
your platform... using builtin-java classes where applicable
2011-11-02 11:58:24,523 INFO impl.MetricsSystemImpl
(MetricsSystemImpl.java:init(150)) - DataNode metrics system started (again)
2011-11-02 11:58:24,530 INFO datanode.DataNode
(DataNode.java:initDataXceiver(723)) - Opened info server at 52820
2011-11-02 11:58:24,532 INFO datanode.DataNode
(DataXceiverServer.java:<init>(77)) - Balancing bandwith is 1048576 bytes/s
2011-11-02 11:58:24,535 INFO http.HttpServer
(HttpServer.java:addGlobalFilter(477)) - Added global filter 'safety'
(class=org.apache.hadoop.http.HttpServer$QuotingInputFilter)
2011-11-02 11:58:24,536 WARN lib.StaticUserWebFilter
(StaticUserWebFilter.java:getUsernameFromConf(141)) - dfs.web.ugi should not be
used. Instead, use hadoop.http.staticuser.user.
2011-11-02 11:58:24,536 INFO http.HttpServer (HttpServer.java:addFilter(455))
- Added filter static_user_filter
(class=org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter) to
context datanode
2011-11-02 11:58:24,537 INFO http.HttpServer (HttpServer.java:addFilter(462))
- Added filter static_user_filter
(class=org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter) to
context logs
2011-11-02 11:58:24,537 INFO http.HttpServer (HttpServer.java:addFilter(462))
- Added filter static_user_filter
(class=org.apache.hadoop.http.lib.StaticUserWebFilter$StaticUserFilter) to
context static
2011-11-02 11:58:24,541 INFO http.HttpServer
(HttpServer.java:addJerseyResourcePackage(382)) - addJerseyResourcePackage:
packageName=org.apache.hadoop.hdfs.server.datanode.web.resources;org.apache.hadoop.hdfs.web.resources,
pathSpec=/webhdfs/v1/*
2011-11-02 11:58:24,542 INFO http.HttpServer (HttpServer.java:start(647)) -
Port returned by webServer.getConnectors()[0].getLocalPort() before open() is
-1. Opening the listener on 0
{noformat}
> When a servlet filter throws an exception in init(..), the Jetty server
> failed silently.
> -----------------------------------------------------------------------------------------
>
> Key: HADOOP-7688
> URL: https://issues.apache.org/jira/browse/HADOOP-7688
> Project: Hadoop Common
> Issue Type: Improvement
> Affects Versions: 0.23.0, 0.24.0
> Reporter: Tsz Wo (Nicholas), SZE
> Assignee: Uma Maheswara Rao G
> Attachments: filter-init-exception-test.patch,
> org.apache.hadoop.http.TestServletFilter-output.txt
>
>
> When a servlet filter throws a ServletException in init(..), the exception is
> logged by Jetty but not re-throws to the caller. As a result, the Jetty
> server failed silently.
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