[英]find out which class is missing
I was trying to install liquibase on my CentOS 6.9 it needs java (i have openjdk version "1.8.0_121"
) but i got this error: 我试图在我的CentOS 6.9上安装liquibase,它需要Java(我的openjdk version "1.8.0_121"
),但出现此错误:
[root@sampleliquibase-3.6.2-bin..z]# ll
total 11412
drwxrwxrwx. 2 db2inst1 db2iadm1 4096 Dec 17 13:10 lib
-rwxrwxrwx. 1 db2inst1 db2iadm1 11358 Jul 3 23:27 LICENSE.txt
-rwxrwxrwx. 1 db2inst1 db2iadm1 1251 Jul 3 23:27 liquibase
-rwxrwxrwx. 1 db2inst1 db2iadm1 9406606 Dec 17 09:42 liquibase-3.6.2-
bin.zip
-rwxrwxrwx. 1 db2inst1 db2iadm1 884 Jul 3 23:27 liquibase.bat
-rwxrwxrwx. 1 db2inst1 db2iadm1 2167086 Jul 3 23:30 liquibase.jar
-rwxrwxrwx. 1 db2inst1 db2iadm1 7174 Jul 3 23:27 liquibase.spec
-rwxrwxrwx. 1 db2inst1 db2iadm1 3046 Jul 3 23:27 README.txt
drwxrwxrwx. 6 db2inst1 db2iadm1 4096 Dec 17 13:10 sdk
-rwxrwxrwx. 1 root root 41203 Mar 16 2017 slf4j-api-1.7.25.jar
[root@sampleliquibase-3.6.2-bin..z]# java -jar liquibase.jar
Error: A JNI error has occurred, please check your installation and try
again
Exception in thread "main" java.lang.NoClassDefFoundError:
ch/qos/logback/core/filter/Filter
at java.lang.Class.getDeclaredMethods0(Native Method)
at java.lang.Class.privateGetDeclaredMethods(Class.java:2701)
at java.lang.Class.privateGetMethodRecursive(Class.java:3048)
at java.lang.Class.getMethod0(Class.java:3018)
at java.lang.Class.getMethod(Class.java:1784)
at
sun.launcher.LauncherHelper.validateMainClass(LauncherHelper.java:544)
at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:526)
Caused by: java.lang.ClassNotFoundException:
ch.qos.logback.core.filter.Filter
at java.net.URLClassLoader.findClass(URLClassLoader.java:381)
at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
... 7 more
[root@sampleliquibase-3.6.2-bin..z]#
I think some kind of class is missing but i dont know which one is and how i can add it to java classes. 我认为缺少某种类,但是我不知道哪种类以及如何将其添加到Java类中。 what should I do? 我该怎么办?
ch/qos/logback/core/filter/Filter
aka 又名
ch.qos.logback.core.filter.Filter
is missing which is part of Logback, you can add it to the application using your buildscript. 如果缺少Logback的一部分,则可以使用buildscript将其添加到应用程序中。 Or manually install it to your lib folder from https://mvnrepository.com/artifact/ch.qos.logback/logback-core 或从https://mvnrepository.com/artifact/ch.qos.logback/logback-core手动将其安装到您的lib文件夹中
Maybe you are launching the wrong file. 也许您正在启动错误的文件。 Instead of running the jar directly you might have to run the "launcher" script instead. 您可能必须运行“启动程序”脚本,而不是直接运行jar。
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