fixed npe cause by race condition when axolotl service isn't initialized

Daniel Gultsch created

Change summary

src/main/java/eu/siacs/conversations/entities/Account.java | 3 +++
1 file changed, 3 insertions(+)

Detailed changes

src/main/java/eu/siacs/conversations/entities/Account.java 🔗 

@@ -632,6 +632,9 @@ public class Account extends AbstractEntity {
 		if (otr != null) {
 			fingerprints.add(new XmppUri.Fingerprint(XmppUri.FingerprintType.OTR,otr));
 		}
+		if (axolotlService == null) {
+			return fingerprints;
+		}
 		fingerprints.add(new XmppUri.Fingerprint(XmppUri.FingerprintType.OMEMO,axolotlService.getOwnFingerprint().substring(2),axolotlService.getOwnDeviceId()));
 		for(XmppAxolotlSession session : axolotlService.findOwnSessions()) {
 			if (session.getTrust().isVerified() && session.getTrust().isActive()) {