The stack trace of very common exceptions is no longer written to the .trace.db file by default.

h2/src/main/org/h2/constant/ErrorCode.java

@@ -1872,6 +1872,29 @@ public class ErrorCode {
         // utility class
     }
 
+    /**
+     * INTERNAL
+     */
+    public static boolean isCommon(int errorCode) {
+        switch (errorCode) {
+        case DATA_CONVERSION_ERROR_1:
+        case DUPLICATE_KEY_1:
+        case LOCK_TIMEOUT_1:
+        case NULL_NOT_ALLOWED:
+        case NO_DATA_AVAILABLE:
+        case REFERENTIAL_INTEGRITY_VIOLATED_CHILD_EXISTS_1:
+        case REFERENTIAL_INTEGRITY_VIOLATED_PARENT_MISSING_1:
+        case SYNTAX_ERROR_1:
+        case SYNTAX_ERROR_2:
+        case TABLE_OR_VIEW_ALREADY_EXISTS_1:
+        case TABLE_OR_VIEW_NOT_FOUND_1:
+        case VALUE_TOO_LARGE_FOR_PRECISION_1:
+        case VALUE_TOO_LONG_2:
+            return true;
+        }
+        return false;
+    }
+
     /**
      * INTERNAL
      */

h2/src/main/org/h2/message/TraceSystem.java

@@ -17,6 +17,7 @@ import java.util.Date;
 import org.h2.constant.ErrorCode;
 import org.h2.constant.SysProperties;
 import org.h2.engine.Constants;
+import org.h2.jdbc.JdbcSQLException;
 import org.h2.util.ClassUtils;
 import org.h2.util.FileUtils;
 import org.h2.util.IOUtils;
@@ -257,7 +258,17 @@ public class TraceSystem implements TraceWriter {
             }
             printWriter.println(s);
             if (t != null) {
-                t.printStackTrace(printWriter);
+                if (levelFile == ERROR && t instanceof JdbcSQLException) {
+                    JdbcSQLException se = (JdbcSQLException) t;
+                    int code = se.getErrorCode();
+                    if (ErrorCode.isCommon(code)) {
+                        printWriter.println(t.toString());
+                    } else {
+                        t.printStackTrace(printWriter);
+                    }
+                } else {
+                    t.printStackTrace(printWriter);
+                }
             }
             printWriter.flush();
             if (closed) {