Hello (again),
I have the following program:
public class SmallerExample {
public static void main(String[] args) throws Exception {
org.geotools.data.shapefile.ShapefileDataStore shapefileDataStore = new
org.geotools.data.shapefile.ShapefileDataStore(new java.net.URL(args[0]));
shapefileDataStore.setCharset(java.nio.charset.StandardCharsets.UTF_8);
try (org.geotools.data.simple.SimpleFeatureIterator it =
shapefileDataStore.getFeatureSource().getFeatures().features()) {
while (it.hasNext()) it.next();
}
}
}
When I run this program, the following messages are logged:
. SEVERE: The following locker still has a lock: read on file:/A:/Streets.shp
by org.geotools.data.shapefile.shp.ShapefileReader
. SEVERE: The following locker still has a lock: read on file:/A:/Streets.shx
by org.geotools.data.shapefile.shp.IndexFile
. SEVERE: The following locker still has a lock: read on file:/A:/Streets.dbf
by org.geotools.data.shapefile.dbf.DbaseFileReader
And then the program finishes with an exception when the SimpleFeatureIterator
is closed:
Exception in thread "main" java.lang.IllegalArgumentException: Expected
requestor org.geotools.data.shapefile.dbf.DbaseFileReader@2f478e10 to have
locked the url but it does not hold the lock for the URL
at
org.geotools.data.shapefile.files.ShpFiles.unlockRead(ShpFiles.java:429)
at
org.geotools.data.shapefile.files.FileChannelDecorator.implCloseChannel(FileChannelDecorator.java:149)
at
java.nio.channels.spi.AbstractInterruptibleChannel.close(AbstractInterruptibleChannel.java:115)
at
org.geotools.data.shapefile.dbf.DbaseFileReader.close(DbaseFileReader.java:286)
at
org.geotools.data.shapefile.ShapefileFeatureReader.close(ShapefileFeatureReader.java:251)
at
org.geotools.data.store.ContentFeatureCollection$WrappingFeatureIterator.close(ContentFeatureCollection.java:154)
at SmallerExample.main(SmallerExample.java:8)
Is it possible to avoid the SEVERE messages and the IllegalArgumentException
(without configuring the logger to not show SEVERE messages and without
catching the exception and ignoring it)?
Thank you
-- Clovis
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