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Fix ConcurrentModificationException on Undertow

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This commit fixes a ConcurrentModificationException that occurs when
requesting a nonexistant route.

Closes gh-22698
This commit is contained in:
Arjen Poutsma
2019-03-28 16:16:37 +01:00
parent 49fccfb158
commit 2950958f35
1 changed files with 2 additions and 6 deletions
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8
spring-webmvc/src/main/java/org/springframework/web/servlet/function/DefaultServerRequest.java
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@@ -27,7 +27,6 @@ import java.util.AbstractMap;
import java.util.ArrayList;
import java.util.Arrays;
import java.util.Collections;
import java.util.Enumeration;
import java.util.List;
import java.util.Locale;
import java.util.Map;
@@ -372,11 +371,8 @@ class DefaultServerRequest implements ServerRequest {
@Override
public void clear() {
Enumeration<String> attributeNames = this.servletRequest.getAttributeNames();
while (attributeNames.hasMoreElements()) {
String name = attributeNames.nextElement();
this.servletRequest.removeAttribute(name);
}
List<String> attributeNames = Collections.list(this.servletRequest.getAttributeNames());
attributeNames.forEach(this.servletRequest::removeAttribute);
}
@NotNull