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The fontCache member of AWTGVTFont is a static non-synchronized
HashMap and access to the AWTGlyphGeometryCache is also non-synchronized. My test runs 50 threads each using one SVG Transcoder to
produce jpeg out of 20 svg files (for each thread). At some point, the glyph
geometry cache which contains a list of glyph geometry is corrupted. One of the
list becomes circular and some threads enter an infinite loop when AWTGlyphGeometryCache.get()
or AWTGlyphGeometryCache.rehash() is called. Did anybody experience something similar? Is there something
to be done before using the SVG Transcoder in a multi-threaded environment? Nicolas |
