C:\Program Files (x86)\BaseX\bin
+>basex -d
BaseX 8.4.3 beta d7bbbe7 [Standalone]
Try 'help' to get more information.
> xquery import module namespace p="org.basex.modules.CR_xquery_31_20151217";2
Creating Database...
. 27.04 ms (25844 KB)
Creating Database...
. 4.83 ms (25844 KB)
Creating Database...
. 5.0 ms (25844 KB)
Creating Database...
. 3.52 ms (26509 KB)
Creating Database...
. 4.36 ms (26509 KB)
Creating Database...
. 8.26 ms (26509 KB)
Creating Database...
. 8.37 ms (26509 KB)
Creating Database...
. 4.32 ms (27175 KB)
Creating Database...
. 11.38 ms (27175 KB)
java.lang.InstantiationException: org.basex.modules.CR_xquery_31_20151217
        at java.lang.Class.newInstance(Unknown Source)
        at org.basex.query.util.pkg.ModuleLoader.addImport(ModuleLoader.java:124)
        at org.basex.query.QueryParser.importModule(QueryParser.java:772)
        at org.basex.query.QueryParser.importModules(QueryParser.java:758)
        at org.basex.query.QueryParser.parseMain(QueryParser.java:172)
        at org.basex.query.QueryContext.parseMain(QueryContext.java:223)
        at org.basex.query.QueryProcessor.parse(QueryProcessor.java:57)
        at org.basex.core.cmd.AQuery.parse(AQuery.java:145)
        at org.basex.core.cmd.AQuery.updates(AQuery.java:159)
        at org.basex.core.cmd.AQuery.updating(AQuery.java:267)
        at org.basex.core.Command.execute(Command.java:94)
        at org.basex.api.client.LocalSession.execute(LocalSession.java:132)
        at org.basex.api.client.Session.execute(Session.java:36)
        at org.basex.core.CLI.execute(CLI.java:103)
        at org.basex.core.CLI.execute(CLI.java:87)
        at org.basex.BaseX.console(BaseX.java:191)
        at org.basex.BaseX.<init>(BaseX.java:166)
        at org.basex.BaseX.main(BaseX.java:42)
Caused by: java.lang.NoSuchMethodException: org.basex.modules.CR_xquery_31_20151217.<init>()
        at java.lang.Class.getConstructor0(Unknown Source)
        ... 18 more
org.basex.query.QueryException: Could not instantiate org.basex.modules.CR_xquery_31_20151217: org.basex.modules.CR_xquery_31_20151217.
        at org.basex.query.QueryError.get(QueryError.java:1343)
        at org.basex.query.util.pkg.ModuleLoader.addImport(ModuleLoader.java:127)
        at org.basex.query.QueryParser.importModule(QueryParser.java:772)
        at org.basex.query.QueryParser.importModules(QueryParser.java:758)
        at org.basex.query.QueryParser.parseMain(QueryParser.java:172)
        at org.basex.query.QueryContext.parseMain(QueryContext.java:223)
        at org.basex.query.QueryProcessor.parse(QueryProcessor.java:57)
        at org.basex.core.cmd.AQuery.parse(AQuery.java:145)
        at org.basex.core.cmd.AQuery.updates(AQuery.java:159)
        at org.basex.core.cmd.AQuery.updating(AQuery.java:267)
        at org.basex.core.Command.execute(Command.java:94)
        at org.basex.api.client.LocalSession.execute(LocalSession.java:132)
        at org.basex.api.client.Session.execute(Session.java:36)
        at org.basex.core.CLI.execute(CLI.java:103)
        at org.basex.core.CLI.execute(CLI.java:87)
        at org.basex.BaseX.console(BaseX.java:191)
        at org.basex.BaseX.<init>(BaseX.java:166)
        at org.basex.BaseX.main(BaseX.java:42)
Caused by: java.lang.InstantiationException: org.basex.modules.CR_xquery_31_20151217
        at java.lang.Class.newInstance(Unknown Source)
        at org.basex.query.util.pkg.ModuleLoader.addImport(ModuleLoader.java:124)
        ... 16 more
Caused by: java.lang.NoSuchMethodException: org.basex.modules.CR_xquery_31_20151217.<init>()
        at java.lang.Class.getConstructor0(Unknown Source)
        ... 18 more
org.basex.query.QueryException: Could not instantiate org.basex.modules.CR_xquery_31_20151217: org.basex.modules.CR_xquery_31_20151217.
        at org.basex.query.QueryError.get(QueryError.java:1343)
        at org.basex.query.util.pkg.ModuleLoader.addImport(ModuleLoader.java:127)
        at org.basex.query.QueryParser.importModule(QueryParser.java:772)
        at org.basex.query.QueryParser.importModules(QueryParser.java:758)
        at org.basex.query.QueryParser.parseMain(QueryParser.java:172)
        at org.basex.query.QueryContext.parseMain(QueryContext.java:223)
        at org.basex.query.QueryProcessor.parse(QueryProcessor.java:57)
        at org.basex.core.cmd.AQuery.parse(AQuery.java:145)
        at org.basex.core.cmd.AQuery.updates(AQuery.java:159)
        at org.basex.core.cmd.AQuery.updating(AQuery.java:267)
        at org.basex.core.Command.execute(Command.java:94)
        at org.basex.api.client.LocalSession.execute(LocalSession.java:132)
        at org.basex.api.client.Session.execute(Session.java:36)
        at org.basex.core.CLI.execute(CLI.java:103)
        at org.basex.core.CLI.execute(CLI.java:87)
        at org.basex.BaseX.console(BaseX.java:191)
        at org.basex.BaseX.<init>(BaseX.java:166)
        at org.basex.BaseX.main(BaseX.java:42)
Caused by: java.lang.InstantiationException: org.basex.modules.CR_xquery_31_20151217
        at java.lang.Class.newInstance(Unknown Source)
        at org.basex.query.util.pkg.ModuleLoader.addImport(ModuleLoader.java:124)
        ... 16 more
Caused by: java.lang.NoSuchMethodException: org.basex.modules.CR_xquery_31_20151217.<init>()
        at java.lang.Class.getConstructor0(Unknown Source)
        ... 18 more
org.basex.core.BaseXException: Stopped at ., 1/68:
[XQST0059] Could not instantiate org.basex.modules.CR_xquery_31_20151217: org.basex.modules.CR_xquery_31_20151217.
        at org.basex.core.Command.execute(Command.java:101)
        at org.basex.api.client.LocalSession.execute(LocalSession.java:132)
        at org.basex.api.client.Session.execute(Session.java:36)
        at org.basex.core.CLI.execute(CLI.java:103)
        at org.basex.core.CLI.execute(CLI.java:87)
        at org.basex.BaseX.console(BaseX.java:191)
        at org.basex.BaseX.<init>(BaseX.java:166)
        at org.basex.BaseX.main(BaseX.java:42)
Caused by: org.basex.query.QueryException: Could not instantiate org.basex.modules.CR_xquery_31_20151217: org.basex.modules.CR_xquery_31_20151217.
        at org.basex.query.QueryError.get(QueryError.java:1343)
        at org.basex.query.util.pkg.ModuleLoader.addImport(ModuleLoader.java:127)
        at org.basex.query.QueryParser.importModule(QueryParser.java:772)
        at org.basex.query.QueryParser.importModules(QueryParser.java:758)
        at org.basex.query.QueryParser.parseMain(QueryParser.java:172)
        at org.basex.query.QueryContext.parseMain(QueryContext.java:223)
        at org.basex.query.QueryProcessor.parse(QueryProcessor.java:57)
        at org.basex.core.cmd.AQuery.parse(AQuery.java:145)
        at org.basex.core.cmd.AQuery.updates(AQuery.java:159)
        at org.basex.core.cmd.AQuery.updating(AQuery.java:267)
        at org.basex.core.Command.execute(Command.java:94)
        ... 7 more
Caused by: java.lang.InstantiationException: org.basex.modules.CR_xquery_31_20151217
        at java.lang.Class.newInstance(Unknown Source)
        at org.basex.query.util.pkg.ModuleLoader.addImport(ModuleLoader.java:124)
        ... 16 more
Caused by: java.lang.NoSuchMethodException: org.basex.modules.CR_xquery_31_20151217.<init>()
        at java.lang.Class.getConstructor0(Unknown Source)
        ... 18 more
Stopped at ., 1/68:
[XQST0059] Could not instantiate org.basex.modules.CR_xquery_31_20151217: org.basex.modules.CR_xquery_31_20151217.
>

On 7 April 2016 at 15:55, Christian Grün <christian.gruen@gmail.com> wrote:

> If instead I install it to the repo. It appears as
> "org.basex.modules.CR_xquery_31_20151217"
> but
> import module namespace p="org.basex.modules.CR_xquery_31_20151217";
> Fails with
> Could not instantiate org.basex.modules.CR_xquery_31_20151217:
> org.basex.modules.CR_xquery_31_20151217
>
> Any ideas where the problem could be?

It sounds as if it’s not possible to create an instance of this class.
Could you possibly forward the stack trace (triggered by -d)?