Concatenating the string
@@ -261,7 +261,7 @@ public class CalculatePerformanceStreamProcessorExtension extends StreamProcesso
if (!(attributeExpressionExecutors[1] instanceof ConstantExpressionExecutor)) {
throw new SiddhiAppValidationException("Type has to be constant(throughput or " +
- "latency or both) but " + "found " +
+ "latency or both) but found " +
this.attributeExpressionExecutors[1].getClass().getCanonicalName());
}
