Avoid NPE if writer is not set in AbstractRenderer.flush

2022-02-17 18:52:53 +01:00
parent 1645f963a8
commit 488f8c716f
1 changed files with 5 additions and 0 deletions
--- a/pmd-core/src/main/java/net/sourceforge/pmd/renderers/AbstractRenderer.java
+++ b/pmd-core/src/main/java/net/sourceforge/pmd/renderers/AbstractRenderer.java
@ -103,6 +103,11 @@ public abstract class AbstractRenderer extends AbstractPropertySource implements

    @Override
    public void flush() {
+        if (writer == null) {
+            // might happen, if no writer is set. E.g. in maven-pmd-plugin's PmdCollectingRenderer
+            return;
+        }
+
        try {
            this.writer.flush();
        } catch (IOException e) {