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depes.edn:

{:deps {org.deeplearning4j/deeplearning4j-nlp {:mvn/version "1.0.0-M2.1"}}}

It happened before in an older Clojure version, but disappeared, see here:

https://clojurians-log.clojureverse.org/tools-deps/2021-09-16

Now I have it back with a recent clojure CLI:
1.11.1.1200

The workarround is still to limit the number of download threads;

clj -Sthreads 1

So it only happens to me using (the default) multi-threaded downloading.

2 Answers

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I haven't been able to reproduce this and haven't had any other reports from anyone on this for a while, so not going to create a ticket for now.

by
I cannot reproduce neither from work, on a fast network.
I will try again from home later, on a slow line.
by
I can reproduce it  by limiting the bandwidth of my work machine.

So first running:

sudo wondershaper -a eth0 -d 1024 -u 1024

to limit download bandwith to 1MBit/s

and then starting the clj from latest Clojure Docker image

docker run -ti clojure clj -Sdeps '{:deps {org.deeplearning4j/deeplearning4j-nlp {:mvn/version "1.0.0-M2.1"}}}'


fails with:


Downloading: com/twelvemonkeys/imageio/imageio-bmp/3.1.1/imageio-bmp-3.1.1.jar from central
Downloading: org/bytedeco/javacpp/1.5.7/javacpp-1.5.7-linux-arm64.jar from central
Error building classpath. Could not acquire write lock for 'artifact:org.bytedeco:leptonica:1.82.0-1.5.7'
java.lang.IllegalStateException: Could not acquire write lock for 'artifact:org.bytedeco:leptonica:1.82.0-1.5.7'
        at org.eclipse.aether.internal.impl.synccontext.named.NamedLockFactoryAdapter$AdaptedLockSyncContext.acquire(N
by
Thanks, I think I understand why we're seeing this again and have some things to look at
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