diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/TracerLaunchConfigurationDelegate.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/TracerLaunchConfigurationDelegate.java
index abed747..0a91b41 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/TracerLaunchConfigurationDelegate.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/TracerLaunchConfigurationDelegate.java
@@ -151,7 +151,7 @@
 	private String getPath(String location) {
 		System.out.println(location);
 		if (location.indexOf('/') >= 0) {
-			return location.substring(location.indexOf('/')).split("!/")[0];		
+			return location.substring(location.indexOf('/') + 1).split("!/")[0];
 		} else {
 			return location.split("!/")[0];
 		}
diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/handlers/InstrumentationHandler.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/handlers/InstrumentationHandler.java
index e05c4db..3e30919 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/handlers/InstrumentationHandler.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/handlers/InstrumentationHandler.java
@@ -47,7 +47,6 @@
 				try {
 					// Javassist �� ClassPool �� Javassist ���C�u�������A����т��̃v���O�C�����̃N���X�����‚�����悤�ɂ���
 					ClassPool cp = new ClassPool(true);
-//					String bundlePath = Activator.getDefault().getBundle().getLocation();
 					try {
 						String bundlePath = FileLocator.resolve(Activator.getDefault().getBundle().getEntry("/")).getPath();
 						String tracerClassPath = FileLocator.resolve(this.getClass().getClassLoader().getResource(Tracer.TRACER_CLASS_PATH)).getPath();
@@ -82,8 +81,6 @@
 					}
 					
 					// �C���X�g�D�������e�[�V�������s��
-//					Tracer.initialize(new OutputStatementsGenerator(new JSONTraceGenerator()), cp);		// �����ŏo�̓t�H�[�}�b�g���w�肷��
-//					Tracer.initialize(new OutputStatementsGenerator(new OnlineTraceGenerator()), cp);	// �����ŏo�̓t�H�[�}�b�g���w�肷��	
 					Tracer.initialize(new OutputStatementsGenerator(getGenerator()), cp);	// �����ŏo�̓t�H�[�}�b�g���w�肷��
 					Tracer.packageInstrumentation("", classPath + "/");
 				} catch (JavaModelException | NotFoundException e) {
@@ -98,7 +95,7 @@
 	
 	private String getPath(String location) {
 		if (location.indexOf('/') >= 0) {
-			return location.substring(location.indexOf('/')).split("!/")[0];		
+			return location.substring(location.indexOf('/') + 1).split("!/")[0];
 		} else {
 			return location.split("!/")[0];
 		}
diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/ITraceGenerator.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/ITraceGenerator.java
index 27c8c28..6e557e4 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/ITraceGenerator.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/ITraceGenerator.java
@@ -12,7 +12,6 @@
  *
  */
 public interface ITraceGenerator {
-
 	public abstract String generateReplaceStatementsForFieldSet(
 			String fieldName, String containerClass, String containerObject, 
 			String valueClass, String valueObject, 
@@ -51,4 +50,6 @@
 	public abstract String generateInsertBeforeStatementsForClassDefinition(
 			String className, String classPath, String loaderPath);
 
+	public abstract String getArrayAdvisorClassName();
+
 }
diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/JSONTraceGenerator.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/JSONTraceGenerator.java
index 473bd23..0aae591 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/JSONTraceGenerator.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/JSONTraceGenerator.java
@@ -234,4 +234,9 @@
 		mapJSON += "}";
 		return mapJSON;
 	}
+	
+	@Override
+	public String getArrayAdvisorClassName() {
+		return "JSONArrayAdvisor";
+	}
 }
diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/OnlineTraceGenerator.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/OnlineTraceGenerator.java
index b98c547..510162c 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/OnlineTraceGenerator.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/OnlineTraceGenerator.java
@@ -167,4 +167,9 @@
 		OnlineTraceOutput.onlineTraceArrayGet(arrayType, arrayId, index,
 				valueType, valueId, String.valueOf(threadId), timeStamp);
 	}	
+	
+	@Override
+	public String getArrayAdvisorClassName() {
+		return "OnlineArrayAdvisor";
+	}
 }
diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/PlainTextTraceGenerator.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/PlainTextTraceGenerator.java
index 781f69f..6d13f65 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/PlainTextTraceGenerator.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/PlainTextTraceGenerator.java
@@ -117,4 +117,9 @@
 			String className, String classPath, String loaderPath) {
 		return "";
 	}
+	
+	@Override
+	public String getArrayAdvisorClassName() {
+		return null;
+	}
 }
diff --git a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/Tracer.java b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/Tracer.java
index f8171c0..dae607b 100644
--- a/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/Tracer.java
+++ b/org.ntlab.traceCollector/src/org/ntlab/traceCollector/tracer/Tracer.java
@@ -54,7 +54,7 @@
 			packageInstrumentation("worstCase/", classPath);							// �w�肵���p�b�P�[�W���̑S�N���X�ɃC���X�g�D�������e�[�V�������s��
 		} catch (UnsupportedEncodingException e) {
 			e.printStackTrace();
-		} 
+		}
 	}
 	
 	/**
@@ -73,14 +73,12 @@
 	 * @param cp Javassist�̃N���X�v�[��
 	 */
 	public static void initialize(OutputStatementsGenerator outputStatementsGenerator, ClassPool cp) {
-		// �z��ւ̃A�N�Z�X�̌��o]
 		Tracer.cp = cp;
-		Tracer.outputStatementsGenerator = outputStatementsGenerator;	// �����ŏo�̓t�H�[�}�b�g���w�肷��
+		Tracer.outputStatementsGenerator = outputStatementsGenerator;
 		Tracer.conv = new CodeConverter();
-		if (!(Tracer.outputStatementsGenerator.getGenerator() instanceof PlainTextTraceGenerator)) {
+		if (outputStatementsGenerator.getGenerator().getArrayAdvisorClassName() != null) {
 			try {
-//				CtClass cc = cp.get(TRACER + "JSONArrayAdvisor");		// JSON�̏ꍇ�̂ݔz��A�N�Z�X���o�͂���
-				CtClass cc = cp.get(TRACER + "OnlineArrayAdvisor");		// �I�����C����͂̏ꍇ�ɔz��A�N�Z�X���o�͂���
+				CtClass cc = cp.get(TRACER + outputStatementsGenerator.getGenerator().getArrayAdvisorClassName());	// Javassist��p���Ĕz��A�N�Z�X���o�͂���
 				conv.replaceArrayAccess(cc, new CodeConverter.DefaultArrayAccessReplacementMethodNames());
 			} catch (NotFoundException e1) {
 				e1.printStackTrace();