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| Compile with error Cannot load target class |
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GeniuZ
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| Post subject: Compile with error Cannot load target class |
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Posted: Mon 29 Oct, 2012, 17:52
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User rating: 2
Joined: Mon 30 May, 2011, 15:41
Posts: 86
Location: Czech Republic, Prague
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When compiling strategy I receive "Cannot load target class" error.
Can I identify what class could not be loaded?
When compiling with JForex-SDK programatically all is OK and compiled jfx strategy is functional with JForex platform.
Thank you.
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API Support
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| Post subject: Re: Compile with error Cannot load target class |
Post rating: 0
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Posted: Tue 30 Oct, 2012, 08:32
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User rating: ∞
Joined: Fri 31 Aug, 2007, 09:17
Posts: 6139
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GeniuZ
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| Post subject: Re: Compile with error Cannot load target class |
Post rating: 0
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Posted: Tue 30 Oct, 2012, 09:50
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User rating: 2
Joined: Mon 30 May, 2011, 15:41
Posts: 86
Location: Czech Republic, Prague
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Match: ignoring maxHeap: -1
Match: selecting InitHeap: 536870912
Match: digesting vmargs: null
Match: digested vmargs: [JVMParameters: isSecure: true, args: ]
Match: JVM args after accumulation: [JVMParameters: isSecure: true, args: ]
Match: digest LaunchDesc: https://www.dukascopy.com/client/demo/jclient/jforex.jnlp
***************************************************************
*************** COMPILE HERE ******************
*****************************************************************
30.10.2012 09:46:01.763 SEVERE a.f ] null
java.lang.NullPointerException
at java.lang.Class.forName0(Native Method)
at java.lang.Class.forName(Class.java:247)
at com.dukascopy.dds2.greed.agent.a.f.aB(Unknown Source)
at com.dukascopy.dds2.greed.agent.a.e.b(Unknown Source)
at com.dukascopy.dds2.greed.agent.a.e.a(Unknown Source)
at com.dukascopy.dds2.greed.util.d.a(Unknown Source)
at com.dukascopy.dds2.greed.actions.CompileStrategyAction.Ag(Unknown Source)
at com.dukascopy.dds2.greed.actions.c.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:908)
at java.lang.Thread.run(Thread.java:662)
30.10.2012 09:46:01.763 SEVERE a.e ] Cannot load target class
java.lang.Exception: Cannot load target class
at com.dukascopy.dds2.greed.agent.a.e.b(Unknown Source)
at com.dukascopy.dds2.greed.agent.a.e.a(Unknown Source)
at com.dukascopy.dds2.greed.util.d.a(Unknown Source)
at com.dukascopy.dds2.greed.actions.CompileStrategyAction.Ag(Unknown Source)
at com.dukascopy.dds2.greed.actions.c.run(Unknown Source)
at java.util.concurrent.ThreadPoolExecutor$Worker.runTask(ThreadPoolExecutor.java:886)
at java.util.concurrent.ThreadPoolExecutor$Worker.run(ThreadPoolExecutor.java:909)
at java.lang.Thread.run(Thread.java:662)
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API Support
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| Post subject: Re: Compile with error Cannot load target class |
Post rating: 0
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Posted: Tue 30 Oct, 2012, 10:24
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User rating: ∞
Joined: Fri 31 Aug, 2007, 09:17
Posts: 6139
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Could you please provide the strategy? If you don't want to make it public, then send it to [email protected] with a reference to this topic.
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GeniuZ
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| Post subject: Re: Compile with error Cannot load target class |
Post rating: 0
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Posted: Tue 30 Oct, 2012, 10:54
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User rating: 2
Joined: Mon 30 May, 2011, 15:41
Posts: 86
Location: Czech Republic, Prague
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I found I can't compile any strategy. I tested W7 and W8 computers and I tested DEMO a LIVE environment. package jforex.strategy;
import com.dukascopy.api.IAccount;
import com.dukascopy.api.IBar;
import com.dukascopy.api.IContext;
import com.dukascopy.api.IMessage;
import com.dukascopy.api.IStrategy;
import com.dukascopy.api.ITick;
import com.dukascopy.api.Instrument;
import com.dukascopy.api.JFException;
import com.dukascopy.api.Period;
public class PureStrategy implements IStrategy
{
@Override public void onStart(IContext context) throws JFException { }
@Override public void onTick(Instrument instrument, ITick tick) throws JFException { }
@Override public void onBar(Instrument instrument, Period period, IBar askBar, IBar bidBar) throws JFException { }
@Override public void onMessage(IMessage message) throws JFException {}
@Override public void onAccount(IAccount account) throws JFException {}
@Override public void onStop() throws JFException {}
}
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Platform Support
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| Post subject: Re: Compile with error Cannot load target class |
Post rating: 0
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Posted: Tue 06 Nov, 2012, 10:31
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| JForex Master |  |
User rating: ∞
Joined: Wed 16 Sep, 2009, 18:23
Posts: 1054
Location: Geneva, Switzerland
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We cannot repeat this.
Can you do a simple test? Right click on Strategies in the workspace tree, New strategy, Save, Compile.
Which version of JAVA do you use?
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GeniuZ
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| Post subject: Re: Compile with error Cannot load target class |
Post rating: 0
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Posted: Tue 06 Nov, 2012, 15:20
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User rating: 2
Joined: Mon 30 May, 2011, 15:41
Posts: 86
Location: Czech Republic, Prague
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Thank you for reply. I use JRockit as default Java for better performace. After change to standard Java for JForex platform all is ok. Thank you.
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