I need to get deeper into Java. I can't see why Java's Default Constructor [1] rule does not apply here?
/Andy
http://docs.oracle.com/javase/specs/jls/se7/html/jls-8.html#jls-8.8.9

On 7 April 2016 at 17:58, Christian Grün <christian.gruen@gmail.com> wrote:
> No constructor is the issue. Adding
> public CR_xquery_31_20151217() {}
> to java src fixes it.

Thanks! @Gunther: Do you think such a dummy constructor could be added
to the Java class?



> On 7 April 2016 at 16:05, Andy Bunce <bunce.andy@gmail.com> wrote:
>>
>> 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.
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>> 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)?
>>
>>
>