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HTTP 500 java.lang.OutOfMemoryErrror using Apache Tomcat with IBM Cognos BI

Troubleshooting


Problem

You may experience the following error message in Cognos Connection: HTTP Status 500 type: Exception report description: javax.servlet.ServletException: Servlet execution threw an exception root cause java.lang.OutOfMemory java.lang.StringBuffer.ensureCapacityImpl(StringBuffer.java:335) java.lang.StringBuffer.append(StringBuffer.java:201) java.io.StringWriter.Write(StringWriter.java)

[{"Product":{"code":"SSEP7J","label":"Cognos Business Intelligence"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":"--","Platform":[{"code":"PF002","label":"AIX"},{"code":"PF010","label":"HP-UX"},{"code":"PF016","label":"Linux"},{"code":"PF027","label":"Solaris"},{"code":"PF033","label":"Windows"}],"Version":"10.2.1;10.2;10.1.1;10.1","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}},{"Product":{"code":"SS6G84","label":"IBM Cognos Analytics on Cloud"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB76","label":"Data Platform"}},{"Product":{"code":"SSLKT6","label":"IBM Maximo Asset Management"},"Business Unit":{"code":"BU048","label":"IBM Software"},"Component":" ","Platform":[{"code":"","label":""}],"Version":"","Edition":"","Line of Business":{"code":"LOB77","label":"Automation Platform"}}]

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Document Information

Modified date:
13 January 2026

UID

swg21695699