No charts or images displayed in DHTML Viewer on WebLogic 10.3

Greetings,
When I view crystal reports from CMC in the default DHTML viewer a red 'X' appears in place of charts and images. Charts in Active X and Java viewers appear normally. Running reports from Java SDK (PDF output) displays charts normally.
Our Environment:
BOE 3.1 SP2 (Fix Pack 5)
2 Clustered Servers running on Windows Server 2008
Web tier components on WebLogic 10.3 JAAS
Input/Output Repositories on Shared Storage
I have tried different things but nothing seems to resolve it. I tried searching for the dynamic image file created by the DHTML viewer but I couldn't find it. I looked in the Shared storage, both local servers, and the weblogic server... No trace.
It is essential that we have DHTML working as our users don't have admin permissions to install the JRE or Active X.
Thank you for your help.
Regards,
Hassan

Hi,
One obvious reason would be that you did not specify -trustcacerts, and the root CA is not included in the present server keystore. In that case, using the -trustcacerts option would solve the problem, if the root CA is indeed in the JDK cacerts.
To print out the certificates present in the JDK cacerts, use the following command:
keytool -list -keystore <JAVA_HOME>/jre/lib/security/cacerts -storepass changeit -v
Then check if the root CA that signed your server certificate is present, and has not expired (in which case,you would need to re-import a newer one into cacerts).
Another common reason for that error message is when you have used a proprietary CA to sign your server certificate. Then it would obviously not be in the JDK cacerts. The solution in that case is to import your proprietary root CA into the JDK cacerts, using the following command:
keytool -import -keystore <JAVA_HOME>/jre/lib/security/cacerts -file yourRootCA.pem -storepass changeit -alias youralias
A third reason for that error message is when your server was signed by an intermediate certificate. In that case, you would have received from your CA a chain of certificates. One way to solve this (not the only one, but this one works well): Prepend your intermediate CA file to your server cert file, and import the obtained concatenated file into the server keystore. Be careful, the intermediate CA must be BEFORE the server cert. Example:
copy rootca.cer certchain.p7b
type server.cer >> certchain.p7b
The file certchain.p7b will be the concatenation of the intermediate CA and the signed server cert. Then import the newly created file under the key alias as follows:
keytool -import -keystore serverks.jks -file certchain.p7b -alias yourkey -trustcacerts
If you only prepend the intermediate root CA, you must make sure the the final root CA is in cacerts. But you can also prepend your whole chain of trust inside the server keystore.
Regards,
Kal

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