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Gracefully handle null readers in MetricExportAutoConfiguration

This commit is contained in:
Andy Wilkinson 2015-05-18 16:29:55 +01:00
parent d8af7980ed
commit 54b0613179
1 changed files with 2 additions and 2 deletions
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4
spring-boot-actuator/src/main/java/org/springframework/boot/actuate/autoconfigure/MetricExportAutoConfiguration.java
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@ -69,8 +69,8 @@ public class MetricExportAutoConfiguration {
Map<String, MetricWriter> writers = new HashMap<String, MetricWriter>(); Map<String, MetricWriter> writers = new HashMap<String, MetricWriter>();
MetricReader reader = endpointReader; MetricReader reader = this.endpointReader;
if (reader == null && !this.readers.isEmpty()) { if (reader == null && this.readers != null && !this.readers.isEmpty()) {
reader = new CompositeMetricReader(this.readers.toArray(new MetricReader[0])); reader = new CompositeMetricReader(this.readers.toArray(new MetricReader[0]));
} }