Hello,
I have a Java web application which relies on BaseX library to mostly read XML files (they are quite big, e.g: 20 MB per file) by XQuery. The XQuery is also quite complicated. It takes ~3 seconds to query. Configuration file .basex:
https://pastebin.com/3EH7MJi5
I got the error below when multiple requests are processed in parallel.
I wonder how BaseX can work in this case without error like this?
Thanks,
Version: BaseX 9.2.4
Java: Oracle Corporation, 1.8.0_222
OS: Linux, amd64
Stack Trace:
java.nio.channels.OverlappingFileLockException
at sun.nio.ch.SharedFileLockTable.checkList(FileLockTable.java:255)
at sun.nio.ch.SharedFileLockTable.add(FileLockTable.java:152)
at sun.nio.ch.FileChannelImpl.tryLock(FileChannelImpl.java:1107)
at org.basex.io.random.TableDiskAccess.lock(TableDiskAccess.java:147)
at org.basex.io.random.TableDiskAccess.<init>(TableDiskAccess.java:79)
at org.basex.data.DiskData.init(DiskData.java:125)
at org.basex.data.DiskData.<init>(DiskData.java:84)
at org.basex.core.cmd.Open.open(Open.java:99)
at org.basex.core.cmd.Open.run(Open.java:48)
at org.basex.core.Command.run(Command.java:257)
at org.basex.core.Command.execute(Command.java:93)
at org.basex.core.Command.execute(Command.java:116)