Bridge server logs

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Navigate to “Control Center → Logs → Server logs” on the Bridge.

Log folder '“as2log”

AS2 operation related messages.

Example: The Lobster Data Platform received a file, the certificates are ok, but there is no matching profile configured:

12:20:37 NORMAL   AS2AuthServicePartnerManager: 63e5d54e86d18(...:TLS): used certificate for signing: ...
12:20:37 NORMAL   AS2AuthServicePartnerManager: 63e5d54e86d18(...:TLS): info of private key for certificate ...
12:20:37 NORMAL   AS2AuthServicePartnerManager: 63e5d54e86d18(...:TLS): used signing algorithm SHA256withRSA evaluated from SHA256withRSA
12:20:37 NORMAL   AS2AuthServicePartnerManager: 63e5d54e86d18(...:TLS): used certificate for encryption: ...
12:20:37 NORMAL   AS2AuthServicePartnerManager: 63e5d54e86d18(...:TLS): used encryption algorithm 2.16.840.1.101.3.4.1.42 evaluated from RSA
12:20:37 NORMAL   AS2AuthServicePartnerManager: 63e5d54e86d18(...:TLS): performing security operations (mdn mic alg: sha256): compressed signed encrypted, MIC: ...
12:20:37 NORMAL   AS2AuthServicePartnerManager: 63e5d54e86d18(...:TLS): Try to send AS2 message with ID '...' with ..., sha256 using micalg sha256 to URL ...
12:20:37 NORMAL   AS2AuthServicePartnerManager: 63e5d54e86d18(...:TLS): message to be sent has been saved to ...
12:20:38 NORMAL   AS2AuthServicePartnerManager: 63e5d54e86d18(...:TLS): Message sent to Nep_ldp_prod with synchronous MDN-delivery requested. Read in MDN-data
12:20:38 NORMAL   AS2AuthServicePartnerManager: 63e5d54e86d18(...:TLS): received has been saved to ...
12:20:38 NORMAL   AS2AuthServicePartnerManager: 63e5d54e86d18(...:TLS): Message has been signed with a certificate with serial number ...
12:20:38 NORMAL   AS2AuthServicePartnerManager: 63e5d54e86d18(...:TLS): used certificate for check signature: ...
12:20:38 NORMAL   AS2AuthServicePartnerManager: 63e5d54e86d18(...:TLS): check of signature was successful with signature digest ...
12:20:38 NORMAL   AS2AuthServicePartnerManager: 63e5d54e86d18(...:TLS): Received MDN info:
  Message-ID: MDN_...
  Original-Message-ID: 147...
  Original-From: xxx
  Original-To: yyy
  Message-MIC: null
  Received Message-MIC: ..., sha256
  Disposition Type: 1
  Disposition Text: internal-error
  Disposition Modifier: 2
  Disposition Modifier Texts: Failure: The received message lead to an error while being processed by the system: Error while handling your AS2-request - no suitable profile found.

Log folder “brg”

Bridge services related logs like configuration errors.

Example: Wrong AS2 folder configuration:

--------------------------------------------------------
Error-log for 'brg' opened at Wed Sep 10 00:00:00 UTC 2025
LobsterBridge, powered by Lobster
Patch Level: 28.05.2025 17:00:00
Installation-ID: 1002p
--------------------------------------------------------
02:00:22 SYSTEM:BRIDGE:MFT:TASKMANAGER (prod. environment) File ./outbound/prod/backup/idoc could not read java.nio.file.NoSuchFileException: ./outbound/prod/backup/idoc
02:00:22 SYSTEM:BRIDGE:MFT:TASKMANAGER (prod. environment) File ./outbound/prod/backup/edifact could not read java.nio.file.NoSuchFileException: ./outbound/prod/backup/edifact
02:00:22 SYSTEM:BRIDGE:MFT:TASKMANAGER (prod. environment) File ./outbound/prod/backup/x12 could not read java.nio.file.NoSuchFileException: ./outbound/prod/backup/x12
02:00:22 SYSTEM:BRIDGE:MFT:TASKMANAGER (prod. environment) File ./outbound/prod/backup/xml could not read java.nio.file.NoSuchFileException: ./outbound/prod/backup/xml
03:00:22 SYSTEM:BRIDGE:MFT:TASKMANAGER (test environment) File ./outbound/test/backup/edifact could not read java.nio.file.NoSuchFileException: ./outbound/test/backup/edifact
03:00:22 SYSTEM:BRIDGE:MFT:TASKMANAGER (test environment) File ./outbound/test/backup/x12 could not read java.nio.file.NoSuchFileException: ./outbound/test/backup/x12
03:00:22 SYSTEM:BRIDGE:MFT:TASKMANAGER (test environment) File ./outbound/test/backup/xml could not read java.nio.file.NoSuchFileException: ./outbound/test/backup/xml
03:00:22 SYSTEM:BRIDGE:MFT:TASKMANAGER (test environment) File ./outbound/test/backup/idoc could not read java.nio.file.NoSuchFileException: ./outbound/test/backup/idoc

Log folder “internal”

Basic Bridge client operation and network connection errors.

Example: Outbound tunnel connection problem:

--------------------------------------------------------
Error-log for 'internal' opened at Thu Sep 11 05:30:39 UTC 2025
IS/5.9.16_28052025170000
Patch Level: 28.05.2025 17:00:00
Installation-ID: 1002p
--------------------------------------------------------
05:30:44 [NioTunnelClient] [ERROR] [qtxxxx402146-xx-check-workers] Exception while check workers
java.net.ConnectException: Connection refused
	at java.base/sun.nio.ch.Net.connect0(Native Method)
	at java.base/sun.nio.ch.Net.connect(Net.java:483)
	at java.base/sun.nio.ch.Net.connect(Net.java:472)
	at java.base/sun.nio.ch.SocketChannelImpl.connect(SocketChannelImpl.java:692)
	at java.base/java.nio.channels.SocketChannel.open(SocketChannel.java:194)
	at de.lobster.scm.dmz.transport.AbstractNioTunnelProxy.openClientChannel(AbstractNioTunnelProxy.java:165)
	at de.lobster.scm.dmz.transport.NioTunnelClient.checkWorkers(NioTunnelClient.java:110)
	at de.lobster.scm.dmz.transport.NioTunnelClient.lambda$3(NioTunnelClient.java:247)
	at de.lobster.scm.dmz.AbstractDmzClientApp.lambda$1(AbstractDmzClientApp.java:93)
	at org.eclipse.jetty.util.thread.QueuedThreadPool.runJob(QueuedThreadPool.java:969)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.doRunJob(QueuedThreadPool.java:1194)
	at org.eclipse.jetty.util.thread.QueuedThreadPool$Runner.run(QueuedThreadPool.java:1149)
	at java.base/java.lang.Thread.run(Thread.java:829)