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解决没有对tracingName在Header的Parameter判空导致NullPointException

This commit is contained in:
zhangxin10 2015-12-08 15:29:27 +08:00
parent 2bc7da01a1
commit fb2d7d554c
1 changed files with 13 additions and 10 deletions
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23
skywalking-sdk-plugin/web-plugin/src/main/java/com/ai/cloud/skywalking/plugin/web/SkyWalkingFilter.java
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@ -27,17 +27,20 @@ public class SkyWalkingFilter implements Filter {
try {
HttpServletRequest request = (HttpServletRequest) servletRequest;
String tracingHeaderValue = request.getHeader(tracingName);
String contextDataStr = null;
int index = tracingHeaderValue.indexOf("=");
if (index > 0) {
String key = tracingHeaderValue.substring(0, index);
if (secondKey.equals(key)) {
contextDataStr = tracingHeaderValue.substring(index + 1);
}
}
ContextData contextData = null;
if (contextDataStr != null && contextDataStr.length() > 0) {
contextData = new ContextData(contextDataStr);
if (tracingHeaderValue != null) {
String contextDataStr = null;
int index = tracingHeaderValue.indexOf("=");
if (index > 0) {
String key = tracingHeaderValue.substring(0, index);
if (secondKey.equals(key)) {
contextDataStr = tracingHeaderValue.substring(index + 1);
}
}
if (contextDataStr != null && contextDataStr.length() > 0) {
contextData = new ContextData(contextDataStr);
}
}
receiver = new RPCBuriedPointReceiver();
receiver.beforeReceived(contextData, generateIdentification(request));