title: Invalid signature file digest for Manifest main attributes exception while trying to run jar file
body: <p>I am trying to run the jar file of my project. I am working on intelliJ and have use artifacts to generate the jar file. But everytime i am trying to run my jar file its giving me exception.</p>
  <pre><code>java.lang.SecurityException: Invalid signature file digest for Manifest main attributes
      at sun.security.util.SignatureFileVerifier.processImpl(SignatureFileVerifier.java:284)
      at sun.security.util.SignatureFileVerifier.process(SignatureFileVerifier.java:238)
      at java.util.jar.JarVerifier.processEntry(JarVerifier.java:316)
      at java.util.jar.JarVerifier.update(JarVerifier.java:228)
      at java.util.jar.JarFile.initializeVerifier(JarFile.java:383)
      at java.util.jar.JarFile.getInputStream(JarFile.java:450)
      at sun.misc.JarIndex.getJarIndex(JarIndex.java:137)
      at sun.misc.URLClassPath$JarLoader$1.run(URLClassPath.java:839)
      at sun.misc.URLClassPath$JarLoader$1.run(URLClassPath.java:831)
      at java.security.AccessController.doPrivileged(Native Method)
      at sun.misc.URLClassPath$JarLoader.ensureOpen(URLClassPath.java:830)
      at sun.misc.URLClassPath$JarLoader.&lt;init&gt;(URLClassPath.java:803)
      at sun.misc.URLClassPath$3.run(URLClassPath.java:530)
      at sun.misc.URLClassPath$3.run(URLClassPath.java:520)
      at java.security.AccessController.doPrivileged(Native Method)
      at sun.misc.URLClassPath.getLoader(URLClassPath.java:519)
      at sun.misc.URLClassPath.getLoader(URLClassPath.java:492)
      at sun.misc.URLClassPath.getNextLoader(URLClassPath.java:457)
      at sun.misc.URLClassPath.getResource(URLClassPath.java:211)
      at java.net.URLClassLoader$1.run(URLClassLoader.java:365)
      at java.net.URLClassLoader$1.run(URLClassLoader.java:362)
      at java.security.AccessController.doPrivileged(Native Method)
      at java.net.URLClassLoader.findClass(URLClassLoader.java:361)
      at java.lang.ClassLoader.loadClass(ClassLoader.java:424)
      at sun.misc.Launcher$AppClassLoader.loadClass(Launcher.java:331)
      at java.lang.ClassLoader.loadClass(ClassLoader.java:357)
      at sun.launcher.LauncherHelper.checkAndLoadMain(LauncherHelper.java:495)
  Error: A JNI error has occurred, please check your installation and try again
  Exception in thread &quot;main&quot; 
  </code></pre>
  <p>And this is my manifest file:</p>
  <pre><code>Manifest-Version: 1.0
  Main-Class: Main
  </code></pre>
  <p>The project's external libraries:</p>
  <p><a href="https://i.stack.imgur.com/dIdte.png" rel="nofollow noreferrer"><img src="https://i.stack.imgur.com/dIdte.png" alt="enter image description here" /></a></p>