deployment

Deploying Maven project throws java.util.zip.ZipException: invalid LOC header (bad signature)

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You need to check which jar is giving problem. It must be corrupted. Delete that jar and run mvn spring-boot:run command again. May be more that one jar has corrupted so every time you need to run that command to delete that jar. In my case mysql, jackson, aspect jars was corrupted mvn spring-boot:run command … Read more

Causes of getting a java.lang.VerifyError

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java.lang.VerifyError can be the result when you have compiled against a different library than you are using at runtime. For example, this happened to me when trying to run a program that was compiled against Xerces 1, but Xerces 2 was found on the classpath. The required classes (in org.apache.* namespace) were found at runtime, so ClassNotFoundException was not the result. There … Read more

error: This is probably not a problem with npm. There is likely additional logging output above

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Finally, I found a solution to this problem without reinstalling npm and I’m posting it because in future it will help someone, Most of the time this error occurs javascript heap went out of the memory. As the error says itself this is not a problem with npm. Only we have to do is instead … Read more

Can not deserialize instance of java.lang.String out of START_OBJECT token

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You’re mapping this JSON that contains an element named data that has a JSON object as its value. You are trying to deserialize the element named workstationUuid from that JSON object into this setter. This won’t work directly because Jackson sees a JSON_OBJECT, not a String. Try creating a class Data the switch up your method

How to resolve Error listenerStart when deploying web-app in Tomcat 5.5?

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You should not have any server-specific libraries in the /WEB-INF/lib. Leave them in the appserver’s own library. It would only lead to collisions in the classpath. Get rid of all appserver-specific libraries in /WEB-INF/lib (and also in JRE/lib and JRE/lib/ext if you have placed any of them there). A common cause that the appserver-specific libraries are included in the webapp’s library is that starters … Read more