java.lang.ClassNotFoundException: org.postgresql.Driver

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This is thrown when the Java Virtual Machine (JVM) tries to load a particular class and the specified class cannot be found in the classpath. Make sure poi-ooxml library jar is added to your project's build path and you are using the latest version.

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Expert tip

You might've forgot to add a dependency or it's written wrong. Also, you might be using incompatible versions of Java and Hibernate. More on this here: https://goo.gl/SjSlRA

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via Google Groups by Unknown author, 11 months ago
java.lang.ClassNotFoundException: org.postgresql.Driver
at java.net.URLClassLoader$1.run(URLClassLoader.java:366)
at java.net.URLClassLoader$1.run(URLClassLoader.java:355)

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