No Java compiler available
2015-10-04 08:57
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hwi(hive web interface)是hive命令行接口的一个补充，主要功能包括：
1.shema browsing ：获取table的信息，包括serde、columen name、column type
2.detached query execution：在hive命令行界面，用户如果需要执行多个查询，则需要同时打开多个命令行界面。hwi允许用户同时开始多个查询，并且查看执行状态。
3.no local installation：如何人，只要有web browser就可以连接hive，而无需运行安装运行任何客户端。
从hive 0.8.1开始，自带hwi，简单配置下即可使用
运行：
1.配置：
$ cd /home/work/hive/hive-0.8.1/conf;
$ cp hive-default.xml.template hive-site.xml
<property> <name>hive.hwi.listen.host</name> <value> 0.0 . 0.0 </value> <description>This is the host address the Hive Web Interface will listen on</description> </property> <property> <name>hive.hwi.listen.port</name> <value> 9999 </value> <description>This is the port the Hive Web Interface will listen on</description> </property> <property> <name>hive.hwi.war.file</name> <value>lib/hive_hwi.war</value> <description>This is the WAR file with the jsp content for Hive Web Interface</description> </property> |
2，现在要做的就是添加apache ant的编译工具，不安装则会报错
Problem accessing /hwi/. Reason:
No Java compiler available
2.1安装ant：
下载安装包wget http://apache.mirrors.tds.net/ant/binaries/apache-ant-1.9.4-bin.tar.gz .解压缩：tar
-xvf apache-ant-1.9.4-bin.tar.gz
切换到解压目录：cd apache-ant-1.9.4
复制：cp -arp * /usr/local/ant
PATH 设置：echo 'export PATH=$PATH:/usr/local/ant/bin'>>/etc/profile
ANT_HOME 设置：echo 'export ANT_HOME=/usr/local/ant'>>/etc/profile
本次登陆 PATH 设置：export PATH=$PATH:/usr/local/ant/bin
本次登陆 ANT_HOME 设置：export ANT_HOME=/usr/local/ant
现在可以执行 ant -v 或者 ant --version 来验证你的 ant 是否已安装好了呢？
2.2 安装完后需要设置path：
设置ANT_LIB路径
export ANT_LIB= /usr/local/ant/lib
2.3 需要把
ant-launcher.jar
ant.jar
jasper-compiler-5.5.23.jar
jasper-runtime-5.5.23.jar
这两个jar包拷贝到$HIVE_HOME/lib下，并且需要将相应的权限修改为777，
否则会报错：
hive hwi Compile failed; see the compiler error output for
details.
3，异常:
Caused by:
Unable to find a javac compiler;
com.sun.tools.javac.Main is not on the classpath.
Perhaps JAVA_HOME does not point to the JDK.
It is currently set to "/opt/jdk/jre"
cp $JAVA_HOME/lib/tools.jar $HIVE_HOME/lib/
2.后台运行hwi：
$ nohup hive --config $HIVE_CONF_DIR
--service hwi
> /dev/
null
2
> /dev/
null
&
测试：
hive运行机器ip地址：192.168.29.81
打开web browser，
输入：http://192.168.29.81:9999/hwi/
如下：
hwi页面的使用请参见：/article/1379245.html
/article/4741526.html
其他：
[hadoop@namenode1 ~]$ 14/06/11 13:04:34 INFO hwi.HWIServer: HWI is starting up
14/06/11 13:04:35 WARN conf.Configuration: mapred.max.split.size is deprecated. Instead, use mapreduce.input.fileinputformat.split.maxsize
14/06/11 13:04:35 WARN conf.Configuration: mapred.min.split.size is deprecated. Instead, use mapreduce.input.fileinputformat.split.minsize
14/06/11 13:04:35 WARN conf.Configuration: mapred.min.split.size.per.rack is deprecated. Instead, use mapreduce.input.fileinputformat.split.minsize.per.rack
14/06/11 13:04:35 WARN conf.Configuration: mapred.min.split.size.per.node is deprecated. Instead, use mapreduce.input.fileinputformat.split.minsize.per.node
14/06/11 13:04:35 WARN conf.Configuration: mapred.reduce.tasks is deprecated. Instead, use mapreduce.job.reduces
14/06/11 13:04:35 WARN conf.Configuration: mapred.reduce.tasks.speculative.execution is deprecated. Instead, use mapreduce.reduce.speculative
14/06/11 13:04:35 WARN conf.Configuration: org.apache.hadoop.hive.conf.LoopingByteArrayInputStream@644bffe5:an attempt to override final parameter: mapreduce.job.end-notification.max.retry.interval;Ignoring.
14/06/11 13:04:35 WARN conf.Configuration: org.apache.hadoop.hive.conf.LoopingByteArrayInputStream@644bffe5:an attempt to override final parameter: mapreduce.job.end-notification.max.attempts;Ignoring.
14/06/11 13:04:35 INFO mortbay.log: Logging to org.slf4j.impl.Log4jLoggerAdapter(org.mortbay.log) via org.mortbay.log.Slf4jLog
14/06/11 13:04:35 INFO mortbay.log: jetty-6.1.26.cloudera.2
14/06/11 13:04:35 INFO mortbay.log: Extract /opt/hive/hive-0.10.0-cdh4.5.0/lib/hive-hwi-0.10.0-cdh4.5.0.war to /tmp/Jetty_0_0_0_0_9999_hive.hwi.0.10.0.cdh4.5.0.war__hwi__igaget/webapp
14/06/11 13:04:36 INFO mortbay.log: Started SocketConnector@0.0.0.0:9999
14/06/11 13:04:41 ERROR mortbay.log: /hwi/
The following error occurred while executing this line:
jar:file:/usr/local/ant/lib/ant.jar!/org/apache/tools/ant/antlib.xml:37: Problem: failed to create task or type componentdef
Cause: The name is undefined.
Action: Check the spelling.
Action: Check that any custom tasks/types have been declared.
Action: Check that any <presetdef>/<macrodef> declarations have taken place.
at org.apache.tools.ant.ProjectHelper.addLocationToBuildException(ProjectHelper.java:508)
at org.apache.tools.ant.taskdefs.Definer.loadAntlib(Definer.java:434)
at org.apache.tools.ant.taskdefs.Definer.execute(Definer.java:281)
at org.apache.tools.ant.ComponentHelper.checkNamespace(ComponentHelper.java:790)
at org.apache.tools.ant.ComponentHelper.getDefinition(ComponentHelper.java:260)
at org.apache.tools.ant.ComponentHelper.getComponentClass(ComponentHelper.java:250)
at org.apache.tools.ant.ComponentHelper.createNewTask(ComponentHelper.java:486)
at org.apache.tools.ant.ComponentHelper.createTask(ComponentHelper.java:462)
at org.apache.tools.ant.Project.createTask(Project.java:1119)
at org.apache.jasper.compiler.AntCompiler.generateClass(AntCompiler.java:134)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:298)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:277)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:265)
at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:564)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:299)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:327)
at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:126)
at org.mortbay.jetty.servlet.DefaultServlet.doGet(DefaultServlet.java:503)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:49)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
Caused by: jar:file:/usr/local/ant/lib/ant.jar!/org/apache/tools/ant/antlib.xml:37: Problem: failed to create task or type componentdef
Cause: The name is undefined.
Action: Check the spelling.
Action: Check that any custom tasks/types have been declared.
Action: Check that any <presetdef>/<macrodef> declarations have taken place.
at org.apache.tools.ant.UnknownElement.getNotFoundException(UnknownElement.java:484)
at org.apache.tools.ant.UnknownElement.makeObject(UnknownElement.java:416)
at org.apache.tools.ant.UnknownElement.maybeConfigure(UnknownElement.java:160)
at org.apache.tools.ant.taskdefs.Antlib.execute(Antlib.java:146)
at org.apache.tools.ant.taskdefs.Definer.loadAntlib(Definer.java:432)
... 44 more
--- Nested Exception ---
jar:file:/usr/local/ant/lib/ant.jar!/org/apache/tools/ant/antlib.xml:37: Problem: failed to create task or type componentdef
Cause: The name is undefined.
Action: Check the spelling.
Action: Check that any custom tasks/types have been declared.
Action: Check that any <presetdef>/<macrodef> declarations have taken place.
at org.apache.tools.ant.UnknownElement.getNotFoundException(UnknownElement.java:484)
at org.apache.tools.ant.UnknownElement.makeObject(UnknownElement.java:416)
at org.apache.tools.ant.UnknownElement.maybeConfigure(UnknownElement.java:160)
at org.apache.tools.ant.taskdefs.Antlib.execute(Antlib.java:146)
at org.apache.tools.ant.taskdefs.Definer.loadAntlib(Definer.java:432)
at org.apache.tools.ant.taskdefs.Definer.execute(Definer.java:281)
at org.apache.tools.ant.ComponentHelper.checkNamespace(ComponentHelper.java:790)
at org.apache.tools.ant.ComponentHelper.getDefinition(ComponentHelper.java:260)
at org.apache.tools.ant.ComponentHelper.getComponentClass(ComponentHelper.java:250)
at org.apache.tools.ant.ComponentHelper.createNewTask(ComponentHelper.java:486)
at org.apache.tools.ant.ComponentHelper.createTask(ComponentHelper.java:462)
at org.apache.tools.ant.Project.createTask(Project.java:1119)
at org.apache.jasper.compiler.AntCompiler.generateClass(AntCompiler.java:134)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:298)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:277)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:265)
at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:564)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:299)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:327)
at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:126)
at org.mortbay.jetty.servlet.DefaultServlet.doGet(DefaultServlet.java:503)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:49)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
14/06/11 13:04:41 ERROR mortbay.log: Nested in The following error occurred while executing this line:
jar:file:/usr/local/ant/lib/ant.jar!/org/apache/tools/ant/antlib.xml:37: Problem: failed to create task or type componentdef
Cause: The name is undefined.
Action: Check the spelling.
Action: Check that any custom tasks/types have been declared.
Action: Check that any <presetdef>/<macrodef> declarations have taken place.
:
jar:file:/usr/local/ant/lib/ant.jar!/org/apache/tools/ant/antlib.xml:37: Problem: failed to create task or type componentdef
Cause: The name is undefined.
Action: Check the spelling.
Action: Check that any custom tasks/types have been declared.
Action: Check that any <presetdef>/<macrodef> declarations have taken place.
at org.apache.tools.ant.UnknownElement.getNotFoundException(UnknownElement.java:484)
at org.apache.tools.ant.UnknownElement.makeObject(UnknownElement.java:416)
at org.apache.tools.ant.UnknownElement.maybeConfigure(UnknownElement.java:160)
at org.apache.tools.ant.taskdefs.Antlib.execute(Antlib.java:146)
at org.apache.tools.ant.taskdefs.Definer.loadAntlib(Definer.java:432)
at org.apache.tools.ant.taskdefs.Definer.execute(Definer.java:281)
at org.apache.tools.ant.ComponentHelper.checkNamespace(ComponentHelper.java:790)
at org.apache.tools.ant.ComponentHelper.getDefinition(ComponentHelper.java:260)
at org.apache.tools.ant.ComponentHelper.getComponentClass(ComponentHelper.java:250)
at org.apache.tools.ant.ComponentHelper.createNewTask(ComponentHelper.java:486)
at org.apache.tools.ant.ComponentHelper.createTask(ComponentHelper.java:462)
at org.apache.tools.ant.Project.createTask(Project.java:1119)
at org.apache.jasper.compiler.AntCompiler.generateClass(AntCompiler.java:134)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:298)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:277)
at org.apache.jasper.compiler.Compiler.compile(Compiler.java:265)
at org.apache.jasper.JspCompilationContext.compile(JspCompilationContext.java:564)
at org.apache.jasper.servlet.JspServletWrapper.service(JspServletWrapper.java:299)
at org.apache.jasper.servlet.JspServlet.serviceJspFile(JspServlet.java:315)
at org.apache.jasper.servlet.JspServlet.service(JspServlet.java:265)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:327)
at org.mortbay.jetty.servlet.Dispatcher.forward(Dispatcher.java:126)
at org.mortbay.jetty.servlet.DefaultServlet.doGet(DefaultServlet.java:503)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:707)
at javax.servlet.http.HttpServlet.service(HttpServlet.java:820)
at org.mortbay.jetty.servlet.ServletHolder.handle(ServletHolder.java:511)
at org.mortbay.jetty.servlet.ServletHandler.handle(ServletHandler.java:401)
at org.mortbay.jetty.security.SecurityHandler.handle(SecurityHandler.java:216)
at org.mortbay.jetty.servlet.SessionHandler.handle(SessionHandler.java:182)
at org.mortbay.jetty.handler.ContextHandler.handle(ContextHandler.java:766)
at org.mortbay.jetty.webapp.WebAppContext.handle(WebAppContext.java:450)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.handler.RequestLogHandler.handle(RequestLogHandler.java:49)
at org.mortbay.jetty.handler.HandlerWrapper.handle(HandlerWrapper.java:152)
at org.mortbay.jetty.Server.handle(Server.java:326)
at org.mortbay.jetty.HttpConnection.handleRequest(HttpConnection.java:542)
at org.mortbay.jetty.HttpConnection$RequestHandler.headerComplete(HttpConnection.java:928)
at org.mortbay.jetty.HttpParser.parseNext(HttpParser.java:549)
at org.mortbay.jetty.HttpParser.parseAvailable(HttpParser.java:212)
at org.mortbay.jetty.HttpConnection.handle(HttpConnection.java:404)
at org.mortbay.jetty.bio.SocketConnector$Connection.run(SocketConnector.java:228)
at org.mortbay.thread.QueuedThreadPool$PoolThread.run(QueuedThreadPool.java:582)
在访问http://192.168.29.81:9999/hwi/时，报这种错误，主要是因为拷贝到$HIVE_HOME/lib中的ant.jar和ant-lancher.jar的版本与linux安装的ant版本不一致引起的。
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