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Log4jWebConfigurer does not try to parse empty "log4jRefreshInterval" context-param 

Issue: SPR-11507
This commit is contained in:
Juergen Hoeller 2014-03-04 13:31:59 +01:00
parent f3884084f2
commit 9b771573ec
1 changed files with 3 additions and 2 deletions
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5
spring-web/src/main/java/org/springframework/web/util/Log4jWebConfigurer.java
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@ -1,5 +1,5 @@
/*
* Copyright 2002-2013 the original author or authors.
* Copyright 2002-2014 the original author or authors.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
@ -21,6 +21,7 @@ import javax.servlet.ServletContext;
import org.springframework.util.Log4jConfigurer;
import org.springframework.util.ResourceUtils;
import org.springframework.util.StringUtils;
/**
* Convenience class that performs custom log4j initialization for web environments,
@ -136,7 +137,7 @@ public abstract class Log4jWebConfigurer {
// Check whether refresh interval was specified.
String intervalString = servletContext.getInitParameter(REFRESH_INTERVAL_PARAM);
if (intervalString != null) {
if (StringUtils.hasText(intervalString)) {
// Initialize with refresh interval, i.e. with log4j's watchdog thread,
// checking the file in the background.
try {