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Editorial Team
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Asked: 2026-05-13T16:50:10+00:00

I have jar file which is signed on my local machine. Its working fine

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I have jar file which is signed on my local machine. Its working fine in local machine. When I upload it to the server it shows some error like

load: class com.trusm.tru.ReadNFCSerialNumber not found.
java.lang.ClassNotFoundException: com.trusm.tru.ReadNFCSerialNumber
at sun.plugin2.applet.Applet2ClassLoader.findClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at java.lang.ClassLoader.loadClass(Unknown Source)
at sun.plugin2.applet.Plugin2ClassLoader.loadCode(Unknown Source)
at sun.plugin2.applet.Plugin2Manager.createApplet(Unknown Source)
at sun.plugin2.applet.Plugin2Manager$AppletExecutionRunnable.run(Unknown Source)
at java.lang.Thread.run(Unknown Source)
Caused by: java.io.IOException: open HTTP connection failed:http://xxx.xxx.xxx.xxx/popit/popit/com/trusm/tru/ReadNFCSerialNumber.class
at sun.plugin2.applet.Applet2ClassLoader.getBytes(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader.access$000(Unknown Source)
at sun.plugin2.applet.Applet2ClassLoader$1.run(Unknown Source)
at java.security.AccessController.doPrivileged(Native Method)
... 7 more
Exception: java.lang.ClassNotFoundException: com.trusm.tru.ReadNFCSerialNumber

Can any one help me on this???

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1 Answer

  1. Editorial Team

    I think the signing has caused the problems.

    When i signed the jar in the server instead of my local machine it works like a charm…

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