Hi All,<br><br>I builded a kind of connection pool using BaseXClient.java class, I simulated several users trying insert documents in BaseX,<br>the result was a disaster.<br>ERROR: data.BaseXDataAccess - Error closing db<br>
java.io.IOException: Stopped at line 1, column 19:<br>Unknown command: 1340477810253095000. Try HELP.<br>    at data.BaseXClient.execute(BaseXClient.java:99)<br>    at data.BaseXClient.execute(BaseXClient.java:110)<br>    at data.BaseXDataAccess.save(BaseXDataAccess.java:169)<br>
    at data.TestInsert$Insert.run(TestInsert.java:88)<br>    at java.lang.Thread.run(Thread.java:680)<br>Exception in thread &quot;Thread-1&quot; java.lang.RuntimeException: java.io.IOException: <br>    at data.BaseXDataAccess.save(BaseXDataAccess.java:164)<br>
    at data.TestInsert$Insert.run(TestInsert.java:88)ERROR: com.xftec.hyperion.data.BaseXDataAccess - Error closing db<br><br>I started several threads each one takes a BaseXClient connection and as soon as it finishs its job BaseXClient is put in a<br>
queue again to be took by other thread.<br>