Hi,
In our application we are using multiple threads for the generation
of reports through Jasper report. Each thread generates one report and
export it as a PDF file.
We are facing severe problem of memory leak and when we used
profiler we found out that there are several com.lowagie classes
involved. One of the examples is,
- com.lowagie.text.pdf.IntHashtable$IntHashtableEntry [ ]
- com.lowagie.text.pdf.IntHashtable
- <class> com.lowagie.text.pdf.BidiLine
It is a great chance that when one thread is involved in the
generation of report, it loads Static variable containing some object
references. And once thread completes report generation, this static
reference keep occupying heap. As, this is of no use it should be
released. But with each thread processing its size goes on increasing
until JVM goes out of memory. This is just an assumption which is made
by analyzing profiler output.
Any help would be highly appreciable.
Regards,
Umesh
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