BTW, I tried using iPojo 1.6.8 instead to see if this is a problem
introduced in later iPojo versions. I do, however, get the same problems
using iPojo 1.6.8 which implies that it's not a newly introduced iPojo
problem.

/Bengt


2012/11/5 Bengt Rodehav <[email protected]>

> I'm trying to upgrade my custom Karaf distribution to Karaf 2.3.0 but have
> ran into some problems. It seems there is some kind of conflict between
> ipojo 1.8.2 and the jpa feature - specifically the org.apache.aries.util
> bundle in the jpa feature.
>
> I install ipojo as a feature (not listed in startup.properties). But when
> I do this I get the following exception:
>
> *2012-11-05 15:51:20,251 | INFO  | l Console Thread | Console
>              | araf.shell.console.jline.Console  199 | 14 -
> org.apache.karaf.shell.console - 2.3.0 | Exception caught while executing
> command*
> *java.lang.UnsupportedOperationException: read() with timeout cannot be
> called as non-blocking operation is disabled*
> * at
> jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:134)[14:org.apache.karaf.shell.console:2.3.0]
> *
> * at
> jline.internal.NonBlockingInputStream.read(NonBlockingInputStream.java:246)[14:org.apache.karaf.shell.console:2.3.0]
> *
> * at
> jline.internal.InputStreamReader.read(InputStreamReader.java:259)[14:org.apache.karaf.shell.console:2.3.0]
> *
> * at
> jline.internal.InputStreamReader.read(InputStreamReader.java:196)[14:org.apache.karaf.shell.console:2.3.0]
> *
> * at
> jline.console.ConsoleReader.readCharacter(ConsoleReader.java:1974)[14:org.apache.karaf.shell.console:2.3.0]
> *
> * at
> jline.console.ConsoleReader.readLine(ConsoleReader.java:2174)[14:org.apache.karaf.shell.console:2.3.0]
> *
> * at
> jline.console.ConsoleReader.readLine(ConsoleReader.java:2098)[14:org.apache.karaf.shell.console:2.3.0]
> *
> * at
> org.apache.karaf.shell.console.jline.Console.readAndParseCommand(Console.java:235)[14:org.apache.karaf.shell.console:2.3.0]
> *
> * at
> org.apache.karaf.shell.console.jline.Console.run(Console.java:171)[14:org.apache.karaf.shell.console:2.3.0]
> *
> * at java.lang.Thread.run(Thread.java:662)[:1.6.0_32]*
>
> Then it seems like Karaf (or Felix) restarts somehow since I get another
> "Karaf" logo in the console. The issue can be reproduced quite easily:
>
> 1. Download a fresh Karaf 2.3.0
>
> 2. Create a new feature containing the ipojo bundle. The easiest way is
> probably to add the following lines to the enterprise-2.3.0-features.xml in
> the "system" folder:
>
>     <feature name="ipojo">
>         <bundle>mvn:org.apache.felix/org.apache.felix.ipojo/1.8.2</bundle>
>     </feature>
>
> 3. Edit the etc/org.apache.karaf.features.cfg as follows:
>
>     featuresBoot=config,ssh,management,kar,jpa,ipojo
>
> Some other obeservations:
>
> - If I switch the jpa and the ipojo features I get other exceptions.
>
> - The org.apache.aries.util bundle is part of the jpa feature (start level
> 30) but it is also present in startup.properties (start level 20).
>
> - If I remove the org.apache.aries.util bundle from the jpa feature then
> things seem to work.
>
> - If I install ipojo by using startup.properties instead of using a
> feature then things seem to work.
>
> The last two observations might imply that org.apache.aries.util and ipojo
> must be resolved at the same time (start levels do not make any difference).
>
> I'm not sure if this post belongs here or in Felix mailing list. However,
> since it seems to involve the enterprise features that is part of Karaf I
> try here first. It's very confusing. Although I have found a couple of
> work-arounds I don't feel comfortable using them since I don't know what is
> happening.
>
> Does anyone have a clue?
>
> /Bengt
>

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