HABA created JSPF-112:
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Summary: Bug: SPF Check Hangs Indefinitely in
org.apache.james.jspf:apache-jspf-resolver:1.0.4
Key: JSPF-112
URL: https://issues.apache.org/jira/browse/JSPF-112
Project: James jSPF
Issue Type: Bug
Components: Core
Environment: WIN SERVER 2016, JAVA 17.0.10
Reporter: HABA
When performing an SPF check using
org.apache.james.jspf:apache-jspf-resolver:1.0.4, the process hangs
indefinitely during the DNS resolution phase. The issue is observed with the
following SPF check:
{code:java}
String spfResult = new
DefaultSPF().checkSPF("207.54.72.202","do_not_re...@unicredit.de","esa13.hc437-5.eu.iphmx.com").getResult();{code}
The log indicates the process gets stuck at the A-Record lookup for the domain
207.54.72.202.spf.hc210-93.eu.iphmx.com, with repeated debug messages until it
eventually times out after multiple hours:
{code:java}
[ForkJoinPool.commonPool-worker-1] DEBUG org.apache.james.jspf.core.MacroExpand
-- Domain expanded: 207.54.72.202.spf.hc210-93.eu.iphmx.com
[ForkJoinPool.commonPool-worker-1] DEBUG
org.apache.james.jspf.impl.DNSServiceXBillImpl -- Start A-Record lookup for :
207.54.72.202.spf.hc210-93.eu.iphmx.com
[ForkJoinPool.commonPool-worker-1] DEBUG org.xbill.DNS.ExtendedResolver --
Sending 207.54.72.202.spf.hc210-93.eu.iphmx.com./A, id=20803 to resolver 0
(SimpleResolver [/X.X.X.X:53]), attempt 1 of 3
[ForkJoinPool.commonPool-worker-1] DEBUG org.xbill.DNS.SimpleResolver --
Sending 207.54.72.202.spf.hc210-93.eu.iphmx.com./A, id=20803 to udp/X.X.X.X:53
[ForkJoinPool.commonPool-worker-1] DEBUG org.xbill.DNS.Cache -- Caching
NXDOMAIN for 207.54.72.202.spf.hc210-93.eu.iphmx.com./A{code}
This issue does not occur with version 1.0.3, where the SPF check completes
successfully.
*Steps to Reproduce:*
Use org.apache.james.jspf:apache-jspf-resolver:1.0.4.
Perform the SPF check with the provided code snippet.
Observe the logs and notice the process getting stuck at the DNS resolution
step.
*Expected Result:*
The SPF check should complete without hanging, as it does in version 1.0.3.
*Actual Result:*
The SPF check hangs indefinitely during DNS resolution, eventually timing out
after several hours.{*}{*}
*Version:* org.apache.james.jspf:apache-jspf-resolver:1.0.4
*Previous Working Version:* org.apache.james.jspf:apache-jspf-resolver:1.0.3
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