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Handle null CodeSource when determining Spring Boot version

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Closes gh-16956
See gh-16182
This commit is contained in:
Andy Wilkinson
2019-05-24 09:41:23 +01:00
parent a5537bd2e1
commit 5e62faf720
1 changed files with 7 additions and 2 deletions
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9
spring-boot-project/spring-boot/src/main/java/org/springframework/boot/SpringBootVersion.java
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@@ -21,6 +21,7 @@ import java.io.IOException;
import java.net.JarURLConnection;
import java.net.URL;
import java.net.URLConnection;
import java.security.CodeSource;
import java.util.jar.Attributes;
import java.util.jar.Attributes.Name;
import java.util.jar.JarFile;
@@ -62,8 +63,12 @@ public final class SpringBootVersion {
if (implementationVersion != null) {
return implementationVersion;
}
URL codeSourceLocation = SpringBootVersion.class.getProtectionDomain()
.getCodeSource().getLocation();
CodeSource codeSource = SpringBootVersion.class.getProtectionDomain()
.getCodeSource();
if (codeSource == null) {
return null;
}
URL codeSourceLocation = codeSource.getLocation();
try {
URLConnection connection = codeSourceLocation.openConnection();
if (connection instanceof JarURLConnection) {