1.增加部分忽略业务异常的代码。

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

+package com.ai.cloud.skywalking.buriedpoint;
+
+import java.util.ArrayList;
+import java.util.List;
+
+import com.ai.cloud.skywalking.api.IExceptionHandler;
+import com.ai.cloud.skywalking.conf.Config;
+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>();
+
+	@Override
+	public void handleException(Throwable th) {
+		if (isExclusiveExceptionListInit == false)
+			synchronized (isExclusiveExceptionListInit) {
+				if (isExclusiveExceptionListInit == false) {
+
+					isExclusiveExceptionListInit = true;
+				}
+			}
+
+		Span span = Context.getLastSpan();
+		span.handleException(th, exclusiveExceptionList, Config.BuriedPoint.MAX_EXCEPTION_STACK_LENGTH);
+	}
+
+}

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

@@ -14,7 +14,7 @@ import com.ai.cloud.skywalking.util.ContextGenerator;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-public class LocalBuriedPointSender implements IBuriedPointSender {
+public class LocalBuriedPointSender extends ApplicationExceptionHandler implements IBuriedPointSender {
 
     private static Logger logger = Logger.getLogger(IBuriedPointSender.class.getName());
 
@@ -53,8 +53,5 @@ public class LocalBuriedPointSender implements IBuriedPointSender {
         }
     }
 
-    public void handleException(Throwable e) {
-        Span span = Context.getLastSpan();
-        span.handleException(e, Config.BuriedPoint.MAX_EXCEPTION_STACK_LENGTH);
-    }
+    public void handleException(Throwable e) {}
 }

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

 package com.ai.cloud.skywalking.buriedpoint;
 
+import java.util.logging.Level;
+import java.util.logging.Logger;
+
 import com.ai.cloud.skywalking.api.IBuriedPointReceiver;
 import com.ai.cloud.skywalking.buffer.ContextBuffer;
 import com.ai.cloud.skywalking.conf.AuthDesc;
@@ -10,10 +13,7 @@ import com.ai.cloud.skywalking.model.Identification;
 import com.ai.cloud.skywalking.protocol.Span;
 import com.ai.cloud.skywalking.util.ContextGenerator;
 
-import java.util.logging.Level;
-import java.util.logging.Logger;
-
-public class RPCBuriedPointReceiver implements IBuriedPointReceiver {
+public class RPCBuriedPointReceiver extends ApplicationExceptionHandler implements IBuriedPointReceiver {
 
     private static Logger logger = Logger.getLogger(LocalBuriedPointSender.class.getName());
 
@@ -44,9 +44,4 @@ public class RPCBuriedPointReceiver implements IBuriedPointReceiver {
 
         Context.append(spanData);
     }
-
-    public void handleException(Throwable e) {
-        Span span = Context.getLastSpan();
-        span.handleException(e, Config.BuriedPoint.MAX_EXCEPTION_STACK_LENGTH);
-    }
 }

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

@@ -15,7 +15,7 @@ import com.ai.cloud.skywalking.util.TraceIdGenerator;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-public class ThreadBuriedPointSender implements IBuriedPointSender {
+public class ThreadBuriedPointSender extends ApplicationExceptionHandler implements IBuriedPointSender {
 
     private static Logger logger = Logger.getLogger(ThreadBuriedPointSender.class.getName());
 
@@ -71,8 +71,4 @@ public class ThreadBuriedPointSender implements IBuriedPointSender {
         }
     }
 
-    public void handleException(Throwable e) {
-        Span span = Context.getLastSpan();
-        span.handleException(e, Config.BuriedPoint.MAX_EXCEPTION_STACK_LENGTH);
-    }
 }

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

@@ -14,7 +14,7 @@ import com.ai.cloud.skywalking.util.ContextGenerator;
 import java.util.logging.Level;
 import java.util.logging.Logger;
 
-public class ThreadFactoryBuriedPointSender implements IBuriedPointSender {
+public class ThreadFactoryBuriedPointSender extends ApplicationExceptionHandler implements IBuriedPointSender {
 
     private static Logger logger = Logger.getLogger(ThreadBuriedPointSender.class.getName());
 
@@ -49,10 +49,4 @@ public class ThreadFactoryBuriedPointSender implements IBuriedPointSender {
             ContextBuffer.save(spanData);
         }
     }
-
-    public void handleException(Throwable e) {
-        Span span = Context.getLastSpan();
-        span.handleException(e, Config.BuriedPoint.MAX_EXCEPTION_STACK_LENGTH);
-
-    }
 }

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

@@ -3,9 +3,9 @@ package com.ai.cloud.skywalking.conf;
 public class Config {
 
 	public static class SkyWalking {
-		public static String USER_ID;
+		public static String USER_ID = "";
 
-		public static String APPLICATION_CODE;
+		public static String APPLICATION_CODE = "";
 	}
 
 	public static class BuriedPoint {
@@ -16,6 +16,8 @@ public class Config {
 
 		// Business Key 最大长度
 		public static int BUSINESSKEY_MAX_LENGTH = 300;
+		
+		public static String EXCLUSIVE_EXCEPTIONS = "";
 	}
 
 	public static class Consumer {

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

 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.logging.Level;
 import java.util.logging.Logger;
 
 public class Span extends SpanData {
 
-    private Logger logger = Logger.getLogger(Span.class.getName());
-
-    public Span() {
-    }
-
-    public Span(String traceId, String applicationID, String userId) {
-        this.traceId = traceId;
-        this.applicationId = applicationID;
-        this.userId = userId;
-    }
-
-    public Span(String traceId, String parentLevelId, int levelId, String applicationID, String userId) {
-        this.traceId = traceId;
-        this.applicationId = applicationID;
-        this.parentLevel = parentLevelId;
-        this.userId = userId;
-        this.levelId = levelId;
-    }
-
-    public Span(String originData) {
-        String[] fieldValues = originData.split(SPAN_FIELD_SPILT_PATTERN);
-        traceId = fieldValues[0].trim();
-        parentLevel = fieldValues[1].trim();
-        levelId = Integer.valueOf(fieldValues[2]);
-        viewPointId = fieldValues[3].trim();
-        startDate = Long.valueOf(fieldValues[4]);
-        cost = Long.parseLong(fieldValues[5]);
-        address = fieldValues[6].trim();
-        statusCode = Byte.valueOf(fieldValues[7].trim());
-        //异常情况才会存在exceptionStack
-        if (statusCode == 1) {
-            exceptionStack = fieldValues[8].trim().replaceAll(SPAN_ATTR_SPILT_CHARACTER,
-                    NEW_LINE_CHARACTER_PATTERN);
-        }
-        spanType = fieldValues[9];
-        isReceiver = Boolean.valueOf(fieldValues[10]);
-
-        businessKey = fieldValues[11].trim().replaceAll(SPAN_ATTR_SPILT_CHARACTER,
-                NEW_LINE_CHARACTER_PATTERN);
-        processNo = fieldValues[12].trim();
-        applicationId = fieldValues[13].trim();
-        userId = fieldValues[14].trim();
-        this.originData = originData;
-    }
-
-
-    @Override
-    public String toString() {
-        StringBuilder toStringValue = new StringBuilder();
-        toStringValue.append(traceId + SPAN_FIELD_SPILT_PATTERN);
-
-        if (isNonBlank(parentLevel)) {
-            toStringValue.append(parentLevel + SPAN_FIELD_SPILT_PATTERN);
-        } else {
-            toStringValue.append(" " + SPAN_FIELD_SPILT_PATTERN);
-        }
-
-        toStringValue.append(levelId + SPAN_FIELD_SPILT_PATTERN);
-
-        if (isNonBlank(viewPointId)) {
-            toStringValue.append(viewPointId + SPAN_FIELD_SPILT_PATTERN);
-        } else {
-            toStringValue.append(" " + SPAN_FIELD_SPILT_PATTERN);
-        }
-
-        toStringValue.append(startDate + SPAN_FIELD_SPILT_PATTERN);
-        toStringValue.append(cost + SPAN_FIELD_SPILT_PATTERN);
-
-        if (isNonBlank(address)) {
-            toStringValue.append(address + SPAN_FIELD_SPILT_PATTERN);
-        } else {
-            toStringValue.append(" " + SPAN_FIELD_SPILT_PATTERN);
-        }
-
-        toStringValue.append(statusCode + SPAN_FIELD_SPILT_PATTERN);
-
-        if (isNonBlank(exceptionStack)) {
-            //换行符在各个系统中表现不一致，
-            //windows平台的换行符为/r/n
-            //linux平台的换行符为/n
-            toStringValue.append(exceptionStack.replaceAll(CARRIAGE_RETURN_CHARACTER_PATTERN, "")
-                    .replaceAll(NEW_LINE_CHARACTER_PATTERN, SPAN_ATTR_SPILT_CHARACTER)
-                    + SPAN_FIELD_SPILT_PATTERN);
-        } else {
-            toStringValue.append(" " + SPAN_FIELD_SPILT_PATTERN);
-        }
-
-        toStringValue.append(spanType + SPAN_FIELD_SPILT_PATTERN);
-        toStringValue.append(isReceiver + SPAN_FIELD_SPILT_PATTERN);
-
-
-        if (isNonBlank(businessKey)) {
-            //换行符在各个系统中表现不一致，
-            //windows平台的换行符为/r/n
-            //linux平台的换行符为/n
-            toStringValue.append(businessKey.replaceAll(CARRIAGE_RETURN_CHARACTER_PATTERN, "")
-                    .replaceAll(NEW_LINE_CHARACTER_PATTERN, SPAN_ATTR_SPILT_CHARACTER)
-                    + SPAN_FIELD_SPILT_PATTERN);
-        } else {
-            toStringValue.append(" " + SPAN_FIELD_SPILT_PATTERN);
-        }
-
-        if (isNonBlank(processNo)) {
-            toStringValue.append(processNo + SPAN_FIELD_SPILT_PATTERN);
-        } else {
-            toStringValue.append(" " + SPAN_FIELD_SPILT_PATTERN);
-        }
-
-        if (isNonBlank(applicationId)) {
-            toStringValue.append(applicationId + SPAN_FIELD_SPILT_PATTERN);
-        } else {
-            toStringValue.append(" " + SPAN_FIELD_SPILT_PATTERN);
-        }
-
-        if (isNonBlank(userId)) {
-            toStringValue.append(userId);
-        } else {
-            toStringValue.append(" " + SPAN_FIELD_SPILT_PATTERN);
-        }
-
-        return toStringValue.toString();
-    }
-
-    protected boolean isNonBlank(String str) {
-        return str != null && str.length() > 0;
-    }
-
-    public void handleException(Throwable e, int maxExceptionStackLength) {
-        this.statusCode = 1;
-        ByteArrayOutputStream buf = new ByteArrayOutputStream();
-        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");
-        }
-        this.exceptionStack = expMessage.toString();
-    }
+	private Logger logger = Logger.getLogger(Span.class.getName());
+
+	public Span() {
+	}
+
+	public Span(String traceId, String applicationID, String userId) {
+		this.traceId = traceId;
+		this.applicationId = applicationID;
+		this.userId = userId;
+	}
+
+	public Span(String traceId, String parentLevelId, int levelId,
+			String applicationID, String userId) {
+		this.traceId = traceId;
+		this.applicationId = applicationID;
+		this.parentLevel = parentLevelId;
+		this.userId = userId;
+		this.levelId = levelId;
+	}
+
+	public Span(String originData) {
+		String[] fieldValues = originData.split(SPAN_FIELD_SPILT_PATTERN);
+		traceId = fieldValues[0].trim();
+		parentLevel = fieldValues[1].trim();
+		levelId = Integer.valueOf(fieldValues[2]);
+		viewPointId = fieldValues[3].trim();
+		startDate = Long.valueOf(fieldValues[4]);
+		cost = Long.parseLong(fieldValues[5]);
+		address = fieldValues[6].trim();
+		statusCode = Byte.valueOf(fieldValues[7].trim());
+		// 异常情况才会存在exceptionStack
+		if (statusCode == 1) {
+			exceptionStack = fieldValues[8].trim().replaceAll(
+					SPAN_ATTR_SPILT_CHARACTER, NEW_LINE_CHARACTER_PATTERN);
+		}
+		spanType = fieldValues[9];
+		isReceiver = Boolean.valueOf(fieldValues[10]);
+
+		businessKey = fieldValues[11].trim().replaceAll(
+				SPAN_ATTR_SPILT_CHARACTER, NEW_LINE_CHARACTER_PATTERN);
+		processNo = fieldValues[12].trim();
+		applicationId = fieldValues[13].trim();
+		userId = fieldValues[14].trim();
+		this.originData = originData;
+	}
+
+	@Override
+	public String toString() {
+		StringBuilder toStringValue = new StringBuilder();
+		toStringValue.append(traceId + SPAN_FIELD_SPILT_PATTERN);
+
+		if (isNonBlank(parentLevel)) {
+			toStringValue.append(parentLevel + SPAN_FIELD_SPILT_PATTERN);
+		} else {
+			toStringValue.append(" " + SPAN_FIELD_SPILT_PATTERN);
+		}
+
+		toStringValue.append(levelId + SPAN_FIELD_SPILT_PATTERN);
+
+		if (isNonBlank(viewPointId)) {
+			toStringValue.append(viewPointId + SPAN_FIELD_SPILT_PATTERN);
+		} else {
+			toStringValue.append(" " + SPAN_FIELD_SPILT_PATTERN);
+		}
+
+		toStringValue.append(startDate + SPAN_FIELD_SPILT_PATTERN);
+		toStringValue.append(cost + SPAN_FIELD_SPILT_PATTERN);
+
+		if (isNonBlank(address)) {
+			toStringValue.append(address + SPAN_FIELD_SPILT_PATTERN);
+		} else {
+			toStringValue.append(" " + SPAN_FIELD_SPILT_PATTERN);
+		}
+
+		toStringValue.append(statusCode + SPAN_FIELD_SPILT_PATTERN);
+
+		if (isNonBlank(exceptionStack)) {
+			// 换行符在各个系统中表现不一致，
+			// windows平台的换行符为/r/n
+			// linux平台的换行符为/n
+			toStringValue.append(exceptionStack.replaceAll(
+					CARRIAGE_RETURN_CHARACTER_PATTERN, "").replaceAll(
+					NEW_LINE_CHARACTER_PATTERN, SPAN_ATTR_SPILT_CHARACTER)
+					+ SPAN_FIELD_SPILT_PATTERN);
+		} else {
+			toStringValue.append(" " + SPAN_FIELD_SPILT_PATTERN);
+		}
+
+		toStringValue.append(spanType + SPAN_FIELD_SPILT_PATTERN);
+		toStringValue.append(isReceiver + SPAN_FIELD_SPILT_PATTERN);
+
+		if (isNonBlank(businessKey)) {
+			// 换行符在各个系统中表现不一致，
+			// windows平台的换行符为/r/n
+			// linux平台的换行符为/n
+			toStringValue.append(businessKey.replaceAll(
+					CARRIAGE_RETURN_CHARACTER_PATTERN, "").replaceAll(
+					NEW_LINE_CHARACTER_PATTERN, SPAN_ATTR_SPILT_CHARACTER)
+					+ SPAN_FIELD_SPILT_PATTERN);
+		} else {
+			toStringValue.append(" " + SPAN_FIELD_SPILT_PATTERN);
+		}
+
+		if (isNonBlank(processNo)) {
+			toStringValue.append(processNo + SPAN_FIELD_SPILT_PATTERN);
+		} else {
+			toStringValue.append(" " + SPAN_FIELD_SPILT_PATTERN);
+		}
+
+		if (isNonBlank(applicationId)) {
+			toStringValue.append(applicationId + SPAN_FIELD_SPILT_PATTERN);
+		} else {
+			toStringValue.append(" " + SPAN_FIELD_SPILT_PATTERN);
+		}
+
+		if (isNonBlank(userId)) {
+			toStringValue.append(userId);
+		} else {
+			toStringValue.append(" " + SPAN_FIELD_SPILT_PATTERN);
+		}
+
+		return toStringValue.toString();
+	}
+
+	protected boolean isNonBlank(String str) {
+		return str != null && str.length() > 0;
+	}
+
+	public void handleException(Throwable e,
+			List<String> exclusiveExceptionList, int maxExceptionStackLength) {
+		this.statusCode = 1;
+		ByteArrayOutputStream buf = new ByteArrayOutputStream();
+		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");
+		}
+		this.exceptionStack = expMessage.toString();
+	}
 
 }