Installation and Upgrade Guides › Web Agent Installation Guide for Apache-based servers › Troubleshooting

Troubleshooting

This section contains the following topics:

Apache-based Server Not Starting

Apache Server Shows shmget Failure On Startup

Apache Agent is Enabled but Default Server Page or Protected Resource Not Accessible

Apache Web Agent Not Operating

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Apache-based Server Not Starting

Valid on Windows

Symptom:

My Apache based server failed to start after loading the mod_sm24 module.

The following message appears in my Windows event viewer:

Faulting application name: httpd.exe, version: 2.4.9.0, time stamp: 0x5326d7a4
Faulting module name: mod_sm24.dll, version: 12.5.4.914, time stamp: 0x5379ded8
Exception code: 0xc00000fd
Faulting application path: C:\Apache24\bin\httpd.exe
Faulting module path: C:\Program Files\CA\webagent\win64\bin\mod_sm24.dll

Solution:

Do the following tasks:

1. Open the Visual Studio command-line window:
2. Run the following command:

   editbin /STACK:524288 httpd.exe
   

3. Verify that the stack reserve space has been updated to 80000(hex).

Apache Server Shows shmget Failure On Startup

Symptom:

When starting the web server, you see: shmget failed.

You may be trying to make a cache that is too large or be doing apachectl restart.

Solution:

Make the recommended adjustments to the shared memory segments.

Apache Agent is Enabled but Default Server Page or Protected Resource Not Accessible

Symptom:

The default web server page or the protected resource is not accessible after enabling Web Agent.

Solution:

Make the recommended adjustments to the shared memory segments.

Apache Web Agent Not Operating

Symptom:

The Apache Web Agent is not operating.

Solution:

Tune the Apache operating system shared memory.