Large request problem

src/core/src/main/java/org/apache/jmeter/gui/util/JSyntaxTextArea.java

@@ -34,6 +34,7 @@
 import org.apache.jorphan.gui.JFactory;
 import org.apache.jorphan.gui.JMeterUIDefaults;
 import org.apache.jorphan.gui.ui.TextComponentUI;
+import org.apache.jorphan.util.StringWrap;
 import org.fife.ui.rsyntaxtextarea.RSyntaxTextArea;
 import org.fife.ui.rsyntaxtextarea.SyntaxConstants;
 import org.fife.ui.rsyntaxtextarea.Theme;
@@ -294,6 +295,30 @@ protected RUndoManager createUndoManager() {
         return undoManager;
     }
 
+    // Default limited to 110K
+    private static final int MAX_LINE_SIZE =
+            JMeterUtils.getPropDefault("view.results.tree.max_line_size", 110_000); // $NON-NLS-1$
+
+    // Limit the soft wrap to 100K (hard limit divided by 1.1)
+    private static final int SOFT_WRAP_LINE_SIZE =
+            JMeterUtils.getPropDefault("view.results.tree.soft_wrap_line_size", (int) (MAX_LINE_SIZE / 1.1f)); // $NON-NLS-1$
+
+    private static String wrapLongLines(String input) {
+        if (input == null || input.isEmpty()) {
+            return input;
+        }
+        if (SOFT_WRAP_LINE_SIZE > 0 && MAX_LINE_SIZE > 0) {
+            StringWrap stringWrap = new StringWrap(SOFT_WRAP_LINE_SIZE, MAX_LINE_SIZE);
+            return stringWrap.wrap(input, "\n");
+        }
+        return input;
+    }
+
+    @Override
+    public void setText(String t) {
+        super.setText(wrapLongLines(t));
+    }
+
     /**
      * Sets initial text resetting undo history
      *

src/jorphan/src/main/java/org/apache/jorphan/util/StringWrap.java

@@ -126,7 +126,7 @@ public String wrap(String input, String delimiter) {
             }
             // Try adding the next line if it does not exceed maxWrap
             int next = nextLineSeparator;
-            if (next != -1 && pos - next <= maxWrap) {
+            if (next != -1 && next - pos <= maxWrap) {
                 // The existing lines do not exceed maxWrap, just reuse them
                 next++; // include newline
                 sb.append(input, pos, next);

src/jorphan/src/test/java/org/apache/jorphan/util/StringWrapTest.java

@@ -29,6 +29,7 @@
 public class StringWrapTest {
     static Stream<Arguments> data() {
         return Stream.of(
+                arguments(2, 3, "a\nab\nabc\nabcd\nabcde", "a\nab\nabc\nabc|d\nabc|de"),
                 arguments(2, 2, "0123456789", "01|23|45|67|89"),
                 arguments(2, 5, "0123456789", "01234|56789"),
                 arguments(3, 3, "0123456789", "012|345|678|9"),