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Load jar containing scriptlet in Jasper server


leonardo.ruggeri

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Hello,

in Jaspersoft studio i've created a report with a scriptlet and loaded it on Jasper server. The report seem have the right jar containing the scriptlet but when i try to run it i have this error: 

 

2023-08-25T11:05:12,066 ERROR GenericExceptionMapper,http-nio-8080-exec-6:89 - Unexpected error occured. Invalid signature file digest for Manifest main attributes. java.lang.SecurityException: Invalid signature file digest for Manifest main attributes
 

how can i do for resolve this error? jar should be signed? how?

 

thank you

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It seems to me that something is wrong with your compiled JAR. I do not sign any custom JARs that I create - I would try to recompile it with various options - should be pretty plain/vanilla. Also, ensure you are compiling to the same version of Java that you have deployed on your server (i.e. if you are running JRS with Java 8, make sure your IDE is using Java 8 to build the JAR file. I hope this helps.

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