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Home > Success Center > Database Performance Analyzer (DPA) > Unable to start DPA on Linux 64-bit with Java 1.7 32-bit

Unable to start DPA on Linux 64-bit with Java 1.7 32-bit

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Created by Interspire Import, last modified by MindTouch on Jun 23, 2016

Views: 26 Votes: 0 Revisions: 11

Overview

If DPA is installed on a 64-bit Linux operating system and you configure DPA to use a 32-bit version of Java 7 (1.7), then the following error may display in the DPA interface:

java.lang.NoClassDefFoundError: Could not initialize class com.confio.iwc.web.controller.DisplayOptionsController
 
4sun.reflect.NativeConstructorAccessorImpl.newInstance0(Native Method)
 
sun.reflect.NativeConstructorAccessorImpl.newInstance(Unknown Source)
 
sun.reflect.DelegatingConstructorAccessorImpl.newInstance(Unknown Source)
 
java.lang.reflect.Constructor.newInstance(Unknown Source)

Environment

  • Linux 64-bit
  • Java 7 (1.7) 32-bit

Steps

1.  Install a Java 6 or 7 (1.6 or 1.7) 64-bit version for Linux. Download links are here.

2.  Update DPA to use this Java version. Follow the instructions in this KB article.

Last modified
19:19, 22 Jun 2016

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