1.增加异常忽略逻辑，可以根据制定情况忽略制定的Exception列表。多个Exception可以使用逗号分隔。需要配置异常全名

samples/skywalking-auth/src/main/resources/sky-walking.auth

@@ -1,7 +1,7 @@
-#skyWalking用户ID +++++
+#skyWalking用户ID
 skywalking.user_id=123
-#skyWalking应用ID +++++
-skywalking.application_id=test
+#skyWalking应用ID
+skywalking.application_code=test
 
 #是否打印数据
 buriedpoint.printf=false
@@ -18,7 +18,7 @@ sender.servers_addr=127.0.0.1:34000
 sender.max_copy_num=2
 #发送的最大长度
 sender.max_send_length=20000
-#当没有Sender时,尝试获取sender的等待周期 +++++
+#当没有Sender时,尝试获取sender的等待周期
 sender.retry_get_sender_wait_interval=2000
 #是否开启发送消息
 sender.is_off=false
@@ -28,7 +28,7 @@ sender.is_off=false
 consumer.max_consumer=2
 #消费者最大等待时间
 consumer.max_wait_time=5
-#发送失败等待时间   +++++++
+#发送失败等待时间  
 consumer.consumer_fail_retry_wait_interval=50
 
 #每个Buffer的最大个数
@@ -36,6 +36,6 @@ buffer.buffer_max_size=18000
 #Buffer池的最大长度
 buffer.pool_size=5
 
-#发送检查线程检查周期 ++++++++
+#发送检查线程检查周期 
 senderchecker.check_polling_time=200
 

skywalking-api/src/main/java/com/ai/cloud/skywalking/buriedpoint/ApplicationExceptionHandler.java

@@ -1,7 +1,9 @@
 package com.ai.cloud.skywalking.buriedpoint;
 
-import java.util.ArrayList;
-import java.util.List;
+import static com.ai.cloud.skywalking.conf.Config.BuriedPoint.EXCLUSIVE_EXCEPTIONS;
+
+import java.util.HashSet;
+import java.util.Set;
 
 import com.ai.cloud.skywalking.api.IExceptionHandler;
 import com.ai.cloud.skywalking.conf.Config;
@@ -9,22 +11,25 @@ import com.ai.cloud.skywalking.context.Context;
 import com.ai.cloud.skywalking.protocol.Span;
 
 public class ApplicationExceptionHandler implements IExceptionHandler {
-	private static Boolean isExclusiveExceptionListInit = false;
-
-	private static List<String> exclusiveExceptionList = new ArrayList<String>();
+	private static String EXCEPTION_SPLIT = ",";
+	
+	private static Set<String> exclusiveExceptionSet = null;
 
 	@Override
 	public void handleException(Throwable th) {
-		if (isExclusiveExceptionListInit == false)
-			synchronized (isExclusiveExceptionListInit) {
-				if (isExclusiveExceptionListInit == false) {
-
-					isExclusiveExceptionListInit = true;
-				}
+		if (exclusiveExceptionSet == null) {
+			Set<String> exclusiveExceptions = new HashSet<String>();
+			
+			String[] exceptions = EXCLUSIVE_EXCEPTIONS.split(EXCEPTION_SPLIT);
+			for(String exception : exceptions){
+				exclusiveExceptions.add(exception);
 			}
+			exclusiveExceptionSet = exclusiveExceptions;
+		}
 
 		Span span = Context.getLastSpan();
-		span.handleException(th, exclusiveExceptionList, Config.BuriedPoint.MAX_EXCEPTION_STACK_LENGTH);
+		span.handleException(th, exclusiveExceptionSet,
+				Config.BuriedPoint.MAX_EXCEPTION_STACK_LENGTH);
 	}
 
 }

skywalking-api/src/main/java/com/ai/cloud/skywalking/conf/Config.java

@@ -17,6 +17,7 @@ public class Config {
 		// Business Key 最大长度
 		public static int BUSINESSKEY_MAX_LENGTH = 300;
 		
+		// 使用逗号分离
 		public static String EXCLUSIVE_EXCEPTIONS = "";
 	}
 

skywalking-protocol/src/main/java/com/ai/cloud/skywalking/protocol/Span.java

@@ -2,8 +2,7 @@ package com.ai.cloud.skywalking.protocol;
 
 import java.io.ByteArrayOutputStream;
 import java.io.IOException;
-import java.util.ArrayList;
-import java.util.List;
+import java.util.Set;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
@@ -137,24 +136,35 @@ public class Span extends SpanData {
 		return str != null && str.length() > 0;
 	}
 
-	public void handleException(Throwable e,
-			List<String> exclusiveExceptionList, int maxExceptionStackLength) {
-		this.statusCode = 1;
-		ByteArrayOutputStream buf = new ByteArrayOutputStream();
+	public void handleException(Throwable e, Set<String> exclusiveExceptionSet,
+			int maxExceptionStackLength) {
+		ByteArrayOutputStream buf = null;
 		StringBuilder expMessage = new StringBuilder();
-		Throwable causeException = e;
-		while (causeException != null
-				&& (causeException.getCause() != null || expMessage.length() < maxExceptionStackLength)) {
-			causeException.printStackTrace(new java.io.PrintWriter(buf, true));
-			expMessage.append(buf.toString());
-			causeException = causeException.getCause();
-		}
 		try {
-			buf.close();
-		} catch (IOException e1) {
-			logger.log(Level.ALL, "Close exception stack input stream failed");
+			buf = new ByteArrayOutputStream();
+			Throwable causeException = e;
+			while (causeException != null
+					&& (causeException.getCause() != null || expMessage
+							.length() < maxExceptionStackLength)) {
+				causeException.printStackTrace(new java.io.PrintWriter(buf,
+						true));
+				expMessage.append(buf.toString());
+				causeException = causeException.getCause();
+			}
+
+		} finally {
+			try {
+				buf.close();
+			} catch (IOException ioe) {
+				logger.log(Level.ALL,
+						"Close exception stack input stream failed", ioe);
+			}
 		}
 		this.exceptionStack = expMessage.toString();
+
+		if (!exclusiveExceptionSet.contains(e.getClass().getName())) {
+			this.statusCode = 1;
+		}
 	}
 
 }