Oozie时出现Exception in thread "main" java.lang.UnsupportedClassVersionError: com/mysql/jdbc/Driver : U...

本文解决了Oozie使用MySQL时出现的UnsupportedClassVersionError错误,并提供了针对不同JDK版本选择合适MySQL驱动的方法。

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  不多说,直接上干货!

 

 

 

 

  问题详情

[hadoop@bigdatamaster oozie-4.1.0-cdh5.5.4]$ bin/ooziedb.sh create -sqlfile oozie.sql -run DB Connection

[hadoop@bigdatamaster oozie-4.1.0-cdh5.5.4]$ bin/ooziedb.sh create -sqlfile oozie.sql -run DB Connection
  setting CATALINA_OPTS="$CATALINA_OPTS -Xmx1024m"

Validate DB Connection
Exception in thread "main" java.lang.UnsupportedClassVersionError: com/mysql/jdbc/Driver : Unsupported major.minor version 52.0
    at java.lang.ClassLoader.defineClass1(Native Method)
    at java.lang.ClassLoader.defineClass(ClassLoader.java:800)
    at java.security.SecureClassLoader.defineClass(SecureClassLoader.java:142)
    at java.net.URLClassLoader.defineClass(URLClassLoader.java:449)
    at java.net.URLClassLoader.access$100(URLClassLoader.java:71)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:361)
    at java.net.URLClassLoader$1.run(URLClassLoader.java:355)
    at java.security.AccessController.doPrivileged(Native Method)
    at java.net.URLClassLoader.findClass(URLClassLoader.java:354)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:425)
    at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:308)
    at java.lang.ClassLoader.loadClass(ClassLoader.java:358)
    at java.lang.Class.forName0(Native Method)
    at java.lang.Class.forName(Class.java:191)
    at org.apache.oozie.tools.OozieDBCLI.createConnection(OozieDBCLI.java:894)
    at org.apache.oozie.tools.OozieDBCLI.validateConnection(OozieDBCLI.java:901)
    at org.apache.oozie.tools.OozieDBCLI.createDB(OozieDBCLI.java:185)
    at org.apache.oozie.tools.OozieDBCLI.run(OozieDBCLI.java:129)
    at org.apache.oozie.tools.OozieDBCLI.main(OozieDBCLI.java:80)

 

 

 

 

 

 

 

解决办法

  原因: 

  1、jdk7+老版5.0驱动com/mysql/jdbc/Driver  (同时,多试试几个版本。mysql-connector-java-5.1.31-bin.jar  和 mysql-connector-java-5.1.21-bin.jar )
  2、jdk8+新版6.0驱动com/mysql/cj/jdbc/Driver

   对于这样的mysql驱动包,怎么去下载,建议去http://mvnrepository.com/。当然你也可以去优快云资源里去。这里不多赘述

  mysql-connector-java-5.1.21.jar

 

 

 

 

 

 

 

 

 

 

 

  即可。

 

 

  成功!

 

 

 

 

 

 

 

  然后呢,大家也许还会出现如下问题:

Oozie安装时放置Mysql驱动包的总结(网上最全)

 

Oozie时出现org.apache.oozie.service.ServiceException: E0103: Could not load service classes, Cannot load JDBC driver class 'com.mysql.jdbc.Driver'

 

Oozie时bin/oozied.sh start或bin/oozied.sh run出现Bootstrap进程无法启动,http://bigdatamaster:11000/oozie界面也无法打开?E0103: Could not load service classes,

java.lang.ClassNotFoundException: Class org.apache.oozie.ser

 

Oozie时bin/oozied.sh start或bin/oozied.sh run出现Bootstrap进程无法启动,http://bigdatamaster:11000/oozie界面也无法打开?

 

Oozie时出现Caused by: com.mysql.jdbc.exceptions.jdbc4.CommunicationsException: Communications link failure?

 

Oozie时出现Exception in thread "main" java.lang.UnsupportedClassVersionError: com/mysql/jdbc/Driver : Unsupported major.minor version 52.0?

 

CDH版本的oozie安装执行bin/oozie-setup.sh prepare-war,没生成oozie.war?

 

07-09
Stdoutput Warning: /opt/cloudera/parcels/CDH-6.3.2-1.cdh6.3.2.p0.1605554/bin/../lib/sqoop/../accumulo does not exist! Accumulo imports will fail. Stdoutput Please set $ACCUMULO_HOME to the root of your Accumulo installation. Exit code of the Shell command 1 <<< Invocation of Shell command completed <<< java.lang.reflect.InvocationTargetException at sun.reflect.NativeMethodAccessorImpl.invoke0(Native Method) at sun.reflect.NativeMethodAccessorImpl.invoke(NativeMethodAccessorImpl.java:62) at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:43) at java.lang.reflect.Method.invoke(Method.java:498) at org.apache.oozie.action.hadoop.LauncherAM.runActionMain(LauncherAM.java:410) at org.apache.oozie.action.hadoop.LauncherAM.access$300(LauncherAM.java:55) at org.apache.oozie.action.hadoop.LauncherAM$2.run(LauncherAM.java:223) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1875) at org.apache.oozie.action.hadoop.LauncherAM.run(LauncherAM.java:217) at org.apache.oozie.action.hadoop.LauncherAM$1.run(LauncherAM.java:153) at java.security.AccessController.doPrivileged(Native Method) at javax.security.auth.Subject.doAs(Subject.java:422) at org.apache.hadoop.security.UserGroupInformation.doAs(UserGroupInformation.java:1875) at org.apache.oozie.action.hadoop.LauncherAM.main(LauncherAM.java:141) Caused by: org.apache.oozie.action.hadoop.LauncherMainException at org.apache.oozie.action.hadoop.ShellMain.run(ShellMain.java:76) at org.apache.oozie.action.hadoop.LauncherMain.run(LauncherMain.java:104) at org.apache.oozie.action.hadoop.ShellMain.main(ShellMain.java:63) ... 16 more Failing Oozie Launcher, Main Class [org.apache.oozie.action.hadoop.ShellMain], exit code [1] Oozie Launcher, uploading action data to HDFS sequence file: hdfs://nameservice0/user/admin/oozie-oozi/0000118-230724100647793-oozie-oozi-W/shell-af10--shell/action-data.seq Stopping AM Callback notification attempts left 0 Callback notification trying http://nn.hdfs.offline:11000/oozie/callback?id=0000118-230724100647793-oozie-oozi-W@shell-af10&status=FAILED Callback notification to http://nn.hdfs.offline:11000/oozie/callback?id=0000118-230724100647793-oozie-oozi-W@shell-af10&status=FAILED succeeded Callback notification succeeded
07-25
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