Unable To Add Attachments With Error:"Your Preferred File Manager Is Not Accessible" Server Log Error: java.lang.IllegalArgumentException: Invalid character found in the request target. The valid characters are defined in RFC 7230 and RFC 3986 (Doc ID 2785392.1)

Last updated on MARCH 29, 2023

Applies to:

Symptoms

Unable to Add Attachments With Error:"Your Preferred File Manager Is Not Accessible."
Updated the Certificate on our Load Balancer for the Files Manager.  Updated Certificate in TomCat, Autovue, Weblogic, but still have error.

Issue if found in both UAT & Production instances.

ERROR

Server Log: catalina.log

14-Jun-2021 21:49:07.670 INFO [http-nio-8080-exec-7] org.apache.coyote.http11.Http11Processor.service Error parsing HTTP request header
Note: further occurrences of HTTP header parsing errors will be logged at DEBUG level.
java.lang.IllegalArgumentException: Invalid character found in the request target. The valid characters are defined in RFC 7230 and RFC 3986
at org.apache.coyote.http11.Http11InputBuffer.parseRequestLine(Http11InputBuffer.java:476)
at org.apache.coyote.http11.Http11Processor.service(Http11Processor.java:687)
at org.apache.coyote.AbstractProcessorLight.process(AbstractProcessorLight.java:66)
at org.apache.coyote.AbstractProtocol$ConnectionHandler.process(AbstractProtocol.java:790)
at org.apache.tomcat.util.net.NioEndpoint$SocketProcessor.doRun(NioEndpoint.java:1459)
at org.apache.tomcat.util.net.SocketProcessorBase.run(SocketProcessorBase.java:49)
at java.util.concurrent.ThreadPoolExecutor.runWorker(ThreadPoolExecutor.java:1149)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:624)
at org.apache.tomcat.util.threads.TaskThread$WrappingRunnable.run(TaskThread.java:61)
at java.lang.Thread.run(Thread.java:748)

The issue can be reproduced at will with the following steps:
1. Login webclient

2. Navigate to upload an attachment file

3. Error displayed: "Your Preferred File Manager Is Not Accessible."

Changes

Updated the Certificate on our Load Balancer for the Files Manager.  Updated Certificate in TomCat, Autovue, Weblogic.

Cause

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