AppSync: Unable to launch appsync-cli.sh on Linux

摘要: Issue is with Java version or Java class.

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症狀

When running the AppSync CLI to log in like so:
 
[root@hostname appsync]# ./appsync-cli.sh -login server="FQDN-of-AppSync-Server" port=8445 user=admin password="N@tRealPass1"

The following error is returned:
 
Error: A JNI error has occurred, please check your installation and try again
Exception in thread "main" java.lang.NoClassDefFoundError: org/apache/commons/cli/ParseException
        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:650)
        at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:632)
Caused by: java.lang.ClassNotFoundException: org.apache.commons.cli.ParseException
        at java.net.URLClassLoader.findClass(URLClassLoader.java:382)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:418)
        at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:352)
        at java.lang.ClassLoader.loadClass(ClassLoader.java:351)
        ... 7 more

原因

Java 8 was found to be installed on the host, which is below the required version.

解析度

Ensure that the supported version of Java is installed on the Linux Host.

其他資訊

See the AppSync User Guide to review all pre-requisite items for the AppSync CLI when run on Linux.

For AppSync 4.2.0.0, Java 11 is required per page 21 of the AppSync 4.2 User Guide which states:     
 
Java Runtime Environment (JRE) version 11 - must be installed and available in path.
 
It is also prudent to ensure the customer defined AppSync CLI folder on the Linux host contains the CLI from the current running AppSync Server version. It is possible the AppSync Server was upgraded one or more times since the AppSync CLI was originally copied over to the Linux host.
 

產品

AppSync
文章屬性
文章編號: 000187282
文章類型: Solution
上次修改時間: 10 9月 2025
版本:  5
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