Re: [Jsynthlib-devel] Problem with DeviceListWriter

[Packe <pa...@ya...>]

Thanks,

Running it through the ant build worked. Its odd though that it didn't work when calling the java file directly didn't…

BR
/Pascal

13 maj 2013 kl. 23:07 skrev Frankie Fisher <jsy...@te...>:

> I can run it from ant update-drivers with no problem:
> 
> $ ant update-drivers
> Buildfile: /home/frankster/jsynthlib/trunk/JSynthLib/build.xml
> 
> init:
> 
> build-code:
>    [javac] Compiling 2 source files to
> /home/frankster/jsynthlib/trunk/JSynthLib/build/bin
>    [javac] Note:
> /home/frankster/jsynthlib/trunk/JSynthLib/core/DeviceListWriter.java
> uses unchecked or unsafe operations.
>    [javac] Note: Recompile with -Xlint:unchecked for details.
> 
> update-drivers:
>     [java] In dir .:
>     [java]   Checking synthdrivers/RolandTD6
>     [java]     Found synthdrivers.RolandTD6.RolandTD6Device
> ...
> 
> I've got java 1.7 - which version are you using?
> 
> $ javac -version
> javac 1.7.0_15
> 
> 
> 
> On 13/05/2013 20:20, Packe wrote:
>> Hi,
>> 
>> I'm trying to write a driver for my Roland D50. I have added the files and wanted to generate the synthdrivers.properties file. 
>> 
>> Unfortunately the DeviceListDriver application fails. It creates an empty file only containing the two first lines of comments in the properties file.
>> 
>> I have added debug prints which gives me this:
>> 
>> In dir .:
>>  Checking synthdrivers/AccessVirus
>>  Checking synthdrivers/AlesisA6
>>  Checking synthdrivers/AlesisDM5
>>  Checking synthdrivers/AlesisDMPro
>>  Checking synthdrivers/AlesisQS
>>  Checking synthdrivers/BehringerFCB1010
>> java.lang.ClassNotFoundException: AccessVirusDevice
>> 	at core.DeviceListWriter$MyClassLoader.loadClass(DeviceListWriter.java:336)
>> 	at core.DeviceListWriter.addClasses(DeviceListWriter.java:72)
>> 	at core.DeviceListWriter.main(DeviceListWriter.java:389)
>> java.lang.ClassNotFoundException: AlesisA6Device
>> 	at core.DeviceListWriter$MyClassLoader.loadClass(DeviceListWriter.java:336)
>> 	at core.DeviceListWriter.addClasses(DeviceListWriter.java:72)
>> 	at core.DeviceListWriter.main(DeviceListWriter.java:389)
>> java.lang.ClassNotFoundException: AlesisDM5Device
>> 	at core.DeviceListWriter$MyClassLoader.loadClass(DeviceListWriter.java:336)
>> 	at core.DeviceListWriter.addClasses(DeviceListWriter.java:72)
>> 	at core.DeviceListWriter.main(DeviceListWriter.java:389)
>> […]
>> 
>> When I look at the code I get a bit suspicious about this part:
>> 
>> String devName = synthDevices[j].substring(0, synthDevices[j].indexOf('.'));
>> try {
>>    if(verbose)
>>        System.out.println("  Checking " + actSynthDir.getPath());
>> 	        	    	
>>   Class deviceclass = loader.loadClass(devName, true);
>> 
>> The exception occurs on the last line of this snippet. From the substring line I guess only the class name is used as argument for the class loader. This should not work according to the API.
>> 
>> Is it just me who runs into this problem? 
>> 
>> BR
>> /Pascal
>> 
>> 
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> 
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