java.lang.IllegalArgumentException: invalid port range: :21

Oracle Community | 843793 | 2 decades ago
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    Root Cause Analysis

    1. java.lang.IllegalArgumentException

      invalid port range: :21

      at java.net.SocketPermission.init()
    2. Java RT
      ClassLoader.loadClass
      1. java.net.SocketPermission.init(SocketPermission.java:341)
      2. java.net.SocketPermission.<init>(SocketPermission.java:206)
      3. sun.net.www.protocol.ftp.FtpURLConnection.getPermission(FtpURLConnection.java:175)
      4. java.net.URLClassLoader.getPermissions(URLClassLoader.java:427)
      5. java.security.SecureClassLoader.getProtectionDomain(SecureClassLoader.java:154)
      6. java.security.SecureClassLoader.defineClass(SecureClassLoader.java:109)
      7. java.net.URLClassLoader.defineClass(URLClassLoader.java:249)
      8. java.net.URLClassLoader.access$1(URLClassLoader.java:217)
      9. java.net.URLClassLoader$1.run(URLClassLoader.java:198)
      10. java.security.AccessController.doPrivileged(Native Method)
      11. java.net.URLClassLoader.findClass(URLClassLoader.java:192)
      12. java.lang.ClassLoader.loadClass(ClassLoader.java:298)
      13. java.lang.ClassLoader.loadClass(ClassLoader.java:255)
      13 frames
    3. Unknown
      DynamicExtension.main
      1. DynamicExtension.main(DynamicExtension.java:15)
      1 frame