fixes

Author: nadav3396

scripts/checks.sh

@@ -2,5 +2,5 @@
 set -eo pipefail
 
 java -jar libs/google-java-format-1.7-all-deps.jar --set-exit-if-changed -i -a $(find . -type f -name "*.java" | grep ".*/src/.*java")
-mvn -X -f agent/pom.xml clean package
-mvn -X clean package
+mvn -f agent/pom.xml clean package
+mvn clean package

src/main/java/io/lumigo/core/configuration/Configuration.java

@@ -139,6 +139,10 @@ public int maxRequestSize() {
     }
 
     public int maxBatchMessageIds() {
-        return envUtil.getIntegerEnv(LUMIGO_MAX_BATCH_MESSAGE_IDS, 20);
+        int value = envUtil.getIntegerEnv(LUMIGO_MAX_BATCH_MESSAGE_IDS, 20);
+        if (value == 0) {
+            value = 20;
+        }
+        return value;
     }
 }