One Managed Server that is part of a large domain throws jav
a.lang.out of Memory error (OOM) occasionally.
You have been monitoring this server with the jvisualVM tool but that didn't help because the issue occurs infrequently and not a specific scenario. So you decided to force the server to dump the heap memory as soon as an OOM gets thrown in order to analyze the dump file later.
How do you modify the Java HotSpot Startup command to enable this feature and save the dump in the directory D:\hprof-dumps\?
You are troubleshooting why transactions are not being committed. After investigation, you realize that these transactions have enough time during the first phase of the two --phase commit, but not enough time during the second phase. Therefore, rather than committing, they are timing out and are being rolled back.
Which Java Transaction API (JTA) attribute needs a larger value?
Consider a domain that includes a dynamic cluster of three servers. Your network administrator requires all servers to bind the specific domain name mycompany.com.
Which Administration console action implements this requirement?
View the following file excerpt, which configures HTTP session replication:
< session-descriptor >
< persistent-store-type > replicated
From which file is this except taken?
An application fails. The exception Indicates that the JDEM data source cannot be found.
Identify two possible steps that you can perform to verify the data source's availability.