[Geotools-gt2-users] Memory Leak in Streaming Parser

[<ger...@gm...>]

>> Hello togehter,
>>
>> my usecase is using method StreamingParser.parse()  in a loop in my
>> java application (ca. 5000 iterations). Unfortunately this leads to a
>> huge memory leak. Also this memory can never be released by the
>> garbage collector. It stays in the old gen heap forever.
>>
>> I use
>>
>> https://github.com/geotools/geotools/blob/main/modules/extension/xsd/xsd-core/src/main/java/org/geotools/xsd/StreamingParser.java
>>
>>
>> in this way:
>>
>> for(.....) {
>>      try {
>>              org.geotools.xsd.StreamingParser parser  = new org.geotools.xsd.StreamingParser(gml, inputStream, Polygon.class);
>>              polygon = (Polygon) parser.parse();
>>      } finally {
>>              inputStream.close();
>>      }
>> }
>>
>>
>>
>> Do you have any idea why that happens? Are you even able to fix it?
>>
>>
>> I use the following maven dependency:
>>
>> <dependency>
>>      <groupId>org.geotools.xsd</groupId>
>>      <artifactId>gt-xsd-wfs</artifactId>
>>      <version>27.2</version>
>> </dependency>
>>
>>
>>
>> Best regards,
>>
>> Gero
>>