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authorAnton Tananaev <anton.tananaev@gmail.com>2015-06-13 11:06:09 +1200
committerAnton Tananaev <anton.tananaev@gmail.com>2015-06-13 11:06:09 +1200
commitd89b2099cc3d4b0dc6e85a83050cb8083156bc88 (patch)
tree1e2b7520926abc62ff2c252fe67b20bdc6c94c1b /src/org/traccar/helper/Log.java
parenta5133e91d39db417344cc845c74a79be28ff1130 (diff)
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Improve stack trace logging
Diffstat (limited to 'src/org/traccar/helper/Log.java')
-rw-r--r--src/org/traccar/helper/Log.java61
1 files changed, 48 insertions, 13 deletions
diff --git a/src/org/traccar/helper/Log.java b/src/org/traccar/helper/Log.java
index 648d4803f..1601994fb 100644
--- a/src/org/traccar/helper/Log.java
+++ b/src/org/traccar/helper/Log.java
@@ -109,23 +109,12 @@ public class Log {
StringBuilder s = new StringBuilder();
if (msg != null) {
s.append(msg);
- s.append(" - ");
}
if (exception != null) {
- String exceptionMsg = exception.getMessage();
- if (exceptionMsg != null) {
- s.append(exceptionMsg);
+ if (msg != null) {
s.append(" - ");
}
- s.append(exception.getClass().getName());
- StackTraceElement[] stack = exception.getStackTrace();
- if (stack.length > 0) {
- s.append(" (");
- s.append(stack[0].getFileName());
- s.append(":");
- s.append(stack[0].getLineNumber());
- s.append(")");
- }
+ s.append(exception(exception));
}
getLogger().warn(s.toString());
}
@@ -137,6 +126,52 @@ public class Log {
public static void debug(String msg) {
getLogger().debug(msg);
}
+
+ private static final int MESSAGE_LIMIT = 80;
+ private static final int STACK_LIMIT = 3;
+
+ public static String exception(Throwable exception) {
+ StringBuilder s = new StringBuilder();
+ String exceptionMsg = exception.getMessage();
+ if (exceptionMsg != null) {
+ s.append(exceptionMsg);
+ s.append(" - ");
+ }
+ s.append(exception.getClass().getSimpleName());
+ StackTraceElement[] stack = exception.getStackTrace();
+ if (stack.length > 0) {
+ s.append(" (");
+ s.append(stack[0].getFileName());
+ s.append(":");
+ s.append(stack[0].getLineNumber());
+
+ if (exceptionMsg == null || exceptionMsg.length() < MESSAGE_LIMIT) {
+ int count = STACK_LIMIT - 1;
+ boolean skip = false;
+ for (int i = 1; i < stack.length; i += 1) {
+ if (stack[i].getClassName().startsWith("org.traccar")) {
+ s.append(" < ");
+ if (skip) {
+ s.append(" ... < ");
+ skip = false;
+ }
+ s.append(stack[i].getFileName());
+ s.append(":");
+ s.append(stack[i].getLineNumber());
+ count -= 1;
+ if (count == 0) {
+ break;
+ }
+ } else {
+ skip = true;
+ }
+ }
+ }
+
+ s.append(")");
+ }
+ return s.toString();
+ }
/**
* Netty logger implementation