[basex-talk] Unexpected behaviour

Fri, 17 Oct 2025 03:44:28 -0700 

Hi,
Yesterday I tried to install from the beginnig a working basex environnement on another repertory, just to do some tests. BaseX has been installed form the zip. 


After adding additionnal repos, this error occured on the new install 
with basexhttp on. After stopping it, I launched the older install to 
verify what was going wrong, and now the same error occurs on this one too.



I am not very familiar with java, do you know what could posssibly be 
wrong here ?


Regards

Guillaume

---

Unexpected error: Improper use? Potential bug? Your feedback is welcome:
Contact: [email protected]
Version: BaseX 10.7
Java: Debian, 17.0.16
OS: Linux, amd64
Stack Trace:

java.lang.NullPointerException: Cannot invoke "java.util.Vector.size()" 
because "vars" is null
    at 
org.apache.xalan.transformer.TransformerImpl.setParameter(TransformerImpl.java:1558)
    at 
org.apache.xalan.transformer.TransformerImpl.setParameter(TransformerImpl.java:1606)

    at java.base/java.util.HashMap.forEach(HashMap.java:1421)

    at 
org.basex.query.func.xslt.XsltTransform.transform(XsltTransform.java:87)

    at org.basex.query.func.xslt.XsltTransform.item(XsltTransform.java:41)
    at org.basex.query.expr.ItemMap.item(ItemMap.java:36)
    at org.basex.query.expr.ParseExpr.value(ParseExpr.java:51)
    at org.basex.query.expr.gflwor.GFLWOR.value(GFLWOR.java:92)
    at org.basex.query.expr.List.value(List.java:226)
    at org.basex.query.func.StaticFunc.invokeInternal(StaticFunc.java:167)
    at org.basex.query.func.XQFunction.invoke(XQFunction.java:33)
    at org.basex.query.func.FuncCall.value(FuncCall.java:54)
    at org.basex.query.expr.gflwor.Let$LetEval.next(Let.java:146)
    at org.basex.query.expr.gflwor.GFLWOR.value(GFLWOR.java:92)
    at org.basex.query.expr.Try.value(Try.java:93)
    at org.basex.query.expr.TypeCheck.value(TypeCheck.java:167)
    at org.basex.query.expr.ParseExpr.item(ParseExpr.java:56)
    at org.basex.query.expr.ItemMap.item(ItemMap.java:36)
    at org.basex.query.expr.ParseExpr.value(ParseExpr.java:51)
    at org.basex.query.expr.ParseExpr.iter(ParseExpr.java:46)
    at org.basex.query.scope.MainModule.iter(MainModule.java:48)
    at org.basex.query.QueryContext.lambda$iter$4(QueryContext.java:357)
    at org.basex.query.QueryContext.run(QueryContext.java:766)
    at org.basex.query.QueryContext.iter(QueryContext.java:357)

    at 
org.basex.http.restxq.RestXqResponse.serialize(RestXqResponse.java:78)

    at org.basex.http.web.WebResponse.create(WebResponse.java:58)
    at org.basex.http.restxq.RestXqServlet.run(RestXqServlet.java:72)
    at org.basex.http.BaseXServlet.service(BaseXServlet.java:69)
    at javax.servlet.http.HttpServlet.service(HttpServlet.java:790)

    at 
org.eclipse.jetty.servlet.ServletHolder$NotAsync.service(ServletHolder.java:1450)
    at 
org.eclipse.jetty.servlet.ServletHolder.handle(ServletHolder.java:799)
    at 
org.eclipse.jetty.servlet.ServletHandler.doHandle(ServletHandler.java:554)
    at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:143)
    at 
org.eclipse.jetty.security.SecurityHandler.handle(SecurityHandler.java:600)
    at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)
    at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:235)
    at 
org.eclipse.jetty.server.session.SessionHandler.doHandle(SessionHandler.java:1624)
    at 
org.eclipse.jetty.server.handler.ScopedHandler.nextHandle(ScopedHandler.java:233)
    at 
org.eclipse.jetty.server.handler.ContextHandler.doHandle(ContextHandler.java:1440)
    at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:188)
    at 
org.eclipse.jetty.servlet.ServletHandler.doScope(ServletHandler.java:505)
    at 
org.eclipse.jetty.server.session.SessionHandler.doScope(SessionHandler.java:1594)
    at 
org.eclipse.jetty.server.handler.ScopedHandler.nextScope(ScopedHandler.java:186)
    at 
org.eclipse.jetty.server.handler.ContextHandler.doScope(ContextHandler.java:1355)
    at 
org.eclipse.jetty.server.handler.ScopedHandler.handle(ScopedHandler.java:141)
    at 
org.eclipse.jetty.server.handler.HandlerWrapper.handle(HandlerWrapper.java:127)

    at org.eclipse.jetty.server.Server.handle(Server.java:516)

    at 
org.eclipse.jetty.server.HttpChannel.lambda$handle$1(HttpChannel.java:487)

    at org.eclipse.jetty.server.HttpChannel.dispatch(HttpChannel.java:732)
    at org.eclipse.jetty.server.HttpChannel.handle(HttpChannel.java:479)

    at 
org.eclipse.jetty.server.HttpConnection.onFillable(HttpConnection.java:277)
    at 
org.eclipse.jetty.io.AbstractConnection$ReadCallback.succeeded(AbstractConnection.java:311)

    at org.eclipse.jetty.io.FillInterest.fillable(FillInterest.java:105)
    at org.eclipse.jetty.io.ChannelEndPoint$1.run(ChannelEndPoint.java:104)

    at 
org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:883)
    at 
org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1034)

    at java.base/java.lang.Thread.run(Thread.java:840)






















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