Examine the summary file. For example:
Java_Enterprise_System5_Summary_Report_install.timestamp
If a problem occurred, determine which component caused the problem. Determine if multiple problems occurred. You will probably need to look at one or both of the detail logs.
Examine the detail log. For example:
JavaES_Install_logtimestamp
Look for the first error or warning that occurred and resolve it. Sometimes resolving one error resolves a number of seemingly unrelated errors that follow.