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Calling groupTuple triggers java.lang.NullPointerException

1

## Bug report Under certain conditions calling `groupTuple` appears to trigger a null pointer exception. A MRE is linked below. The process to trigger the null pointer exception in this...

scwatts

Inspired by this [Slack thread](https://nextflow.slack.com/archives/C02T98A23U7/p1655905727166399). The Nextflow docs mention hybrid workflows for [AWS Batch](https://www.nextflow.io/docs/latest/aws.html#hybrid-workloads) and [Google Cloud](https://www.nextflow.io/docs/latest/google.html#hybrid-execution). However it would be good to have a dedicated section on hybrid workloads:...

bentsherman

Deprecate tap operator, extend set operator to return input channel

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The [tap](https://www.nextflow.io/docs/latest/operator.html#tap) isn't marked as deprecated, but it depends on `Channel.create()` which is deprecated. I tried the top example with `Channel.empty()` instead but it didn't work, which makes sense because...

bentsherman

Update documentation to be DSL2-first

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This idea has been talked about on a few channels but wanted to formalize it into an issue. I think we're ready to make the Nextflow docs DSL2-first now that...

bentsherman

Convert Nextflow docs to markdown

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After working on the Nextflow docs multiple times, I've concluded that RST is a real pain to work with. I've encountered many formatting issues that seem to result from confusion...

bentsherman

Specify Google Cloud Compute Engine disk type

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## New feature Ability to specify the Compute Engine disk type (pd-standard or local-SSD) found in the new Cloud Life Sciences API (https://cloud.google.com/life-sciences/docs/reference/rpc/google.cloud.lifesciences.v2beta#disk). ## Usage scenario Job's that require a...

twbattaglia

Move executor and cloud platform docs to subpages

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This PR includes the following changes: - split executor docs into subpages - move AWS / Azure / Google pages into "Cloud Platform" subpages - incorporate Ignite and Kubernetes pages...

bentsherman

Update docs to be DSL2-first

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This is tentative to update the process section in the docs to DSL2 and remove references to old idioms.

pditommaso

Use `ephemeral-storage` for `disk` directive and `k8s` executor

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Closes #2986 This PR includes the following changes: - add support for `emptyDir` ephemeral volume mounts in k8s - add support for `disk` directive in k8s via `ephemeral-storage` resource type...

bentsherman

Add support for CPU millis for cpus directive

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This commit adds the ability to CPU millis as unit for the `cpus` directive. Target execution platforms should be able to take advantage of this feature, otherwise, it falls back...

pditommaso