ErrLookup › stanfordnlp/CoreNLP
stanfordnlp/CoreNLP
CoreNLP: A Java suite of core NLP tools for tokenization, sentence segmentation, NER, parsing, coreference, sentiment analysis, etc. · Java · 1,763 source files
Analyzed at 1b7edd19c4 on 2026-09-10. 1268 documented errors.
| Code / Message | Type | Severity | Tags |
|---|---|---|---|
| Unknown value for span | validation | error | java, argument-validation, span |
| java.lang.ClassNotFoundException | exception | error | java, deserialization, classpath, model-loading |
| Invalid number of arguments to | validation | error | java, sutime, argument-count, tokensregex |
| found @Option annotations in class | console | warning | java, reflection, options, command-line |
| Failed to get attributes from | console | warning | java, nlp, sutime, temporal-annotation |
| gradient check failed | exception | error | crf, gradient-check, training, machine-learning |
| Image does not have height | exception | error | java, json, validation, missing-field |
| Variable | exception | error | parser, tregex, duplicate-identifier |
| Relation does not allow for named edges | validation | error | java, parse-exception, semgrex, named-edges |
| Relation not handled by getRelation | validation | error | java, parse-exception, semgrex, unhandled-relation |
| Gold Quote List size doesn't match quote list size! | exception | error | java, dataset, training, invariant |
| Error (line ): 10 fields expected but are present | exception | error | parsing, conll-x, dependency-trees, input-validation |
| allSentences != allWords | exception | error | corenlp, coreference, sentence-splitting, invariant-violation |
| Use of node conjugation (expressions such as '< [foo bar]'… | validation | error | java, parser, regex, deprecated-syntax |
| Could not ensure a server: | exception | critical | network, http, server-lifecycle, timeout, runtime-exception |
| Error reading string | console | warning | xml, io, string-processing, java |
| Error while loading a tagger model (probably missing model… | exception | error | java, io, model-loading, stanford-nlp |
| Unknown sentiment class: | exception | error | corenlp, sentiment, switch-default |
| Tried to compare two Distribution | exception | error | java, distribution-comparison, invariant, statistics |
| Quotes size and gold size don't match! | exception | error | java, xml, dataset, validation |
| Treebank is read-only | exception | error | collections, unsupported-operation, immutability |
| MetaClass couldn't create " + constructor + " with args " +… | exception | error | reflection, instantiation, java, corenlp |
| Unknown position in AddDep: | | exception | error | java, ssurgeon, runtime, unsupported-operation |
| Warning: bad pattern | exception | error | pattern-matching, semgrex, grammar, rte |
| Unsupported dependency type: | exception | error | corenlp, dependencies, switch-default |
| e | console | info | java, xml, security, xxe, parser-config |
| Failure to load language specific properties: | console | error | java, server, classpath, i18n, resource-loading |
| Cannot enable POSSequence features without POS sequence… | exception | error | parser, french, configuration, runtime-exception |
| Null node fetched by Tsurgeon operation for node: | console | warning | tregex, tsurgeon, null-node, pattern-mismatch, nlp |
| Error running | console | warning | reflection, ner, model-loading, nlp, invocation-failed |
| node cliqueFeatures[n]= | exception | error | java, crf, feature-index, invariant |
| Cannot process tree | exception | error | java, head-finder, parse-tree, dependency-parsing |
| Unknown general relation | exception | error | java, serialization, deserialization, version-mismatch |
| : Splicing in DUMMYTAG for | console | info | java, nlp, trees, arabic, tree-repair |
| Required a tree with CoreLabels | validation | error | java, input-validation, nlp, type-mismatch |
| The components of this AverageDataSeries do not have the… | exception | error | invalid-state, domain-mismatch, series |
| String match result must be referred to by group id | exception | error | expressions, regex, type-mismatch, java |
| : Bare tagged word being wrapped in FRAG | console | info | java, nlp, trees, arabic, sentence-segmentation |
| Invalid arguments to | validation | error | java, nlp, sutime, illegal-argument |
| Doesn't do k sampled yet | exception | error | java, nlp, parsing, unsupported-operation |
| FrenchLexer: Invalid option value in constructor: | validation | error | java, tokenization, configuration |
| Processed trees, but there are more trees and text is empty | exception | error | iterator, alignment, nosuch-element, conllu |
| Unknown state | exception | error | java, parser, grammar, runtime-exception |
| after W derivative, index() != x.length() | exception | error | java, nlp, crf, internal-state |
| CORE: CoreLabel.initFromStrings: Can't handle | exception | error | nlp, corelabel, type-unsupported, annotation |
| Could not find a valid edge to remove | exception | error | java, dependency-graph, runtime-exception |
| Error: Line has too few tab-separated columns | exception | error | java, column-data-classifier, data-format |
| Got NaN for prob in… | exception | error | crf, nan, multithreading, training |
| Class at path | console | warning | java, classpath, reflection, class-loading |
| Could not pre-load annotators in server; encountered… | console | error | java, server, startup, annotators, class-loading |
| Got NaN for prob in… | exception | error | crf, nan, numerical, training |
| [should not happen!] Projection table is incomplete for " +… | exception | error | java, illegal-state, switch-fallthrough |
| Exception: in printToFile | console | warning | java, io, file-write, swallowed-exception |
| Should have FeatureFactory but got | exception | error | java, deserialization, classpath, feature-factory |
| Couldn't parse + json | exception | error | java, json, parse-error, scenegraph |
| Tagging of sentence ran out of memory. Will ignore and… | console | warning | outofmemory, postagger, pipeline, jvm |
| QNMinimizer terminated without converging | console | warning | nlp, optimization, numerical-stability, training |
| TokensRegexNERAnnotator ERROR: Incorrectly specified… | validation | error | configuration, parsing, tokensregexner |
| Error -- attempted to conditionalize a GeneralizedCounter… | exception | error | java, generalized-counter, depth, conditionalize |
| format error in nodeFeatureIndicesMap | exception | error | serialization, model-loading, format-validation, crf |
| originalWords and sentence of different sizes… | exception | error | java, illegal-state, nlp, tree |
| ERROR: null count for item item! | exception | error | java, null, counter-validation, statistics |
| java.lang.Exception | exception | error | java, serialization, protobuf, io |
| Unexpected format " + outputStyle | exception | error | java, runtimeexception, output-format, invalid-config |
| Error creating data exporter | exception | error | java, io, exporter, wrapped-exception |
| Error resolving | console | warning | java, nlp, sutime, temporal-resolution |
| Error setting up | console | warning | reflection, version-mismatch, ner, nlp, method-not-found |
| not found - not applying NER tags! | console | warning | reflection, classpath, missing-class, ner, nlp |
| Unable to find sieve ordering to satisfy all ordering… | exception | error | corenlp, coreference, configuration, unsatisfiable-constraints |
| weights format error | exception | error | serialization, model-loading, format-validation, weights, crf |
| Could not compute span from tokens! | exception | error | java, illegal-argument, empty-collection |
| Unhandled case: " + mono + " and " + type | exception | error | java, illegal-state, enum |
| Unknown grammatical relation | exception | error | parsing, grammatical-relations, conll-x, dependency-trees |
| Cannot deserialize OpenIE triples with this method! | exception | error | serialization, protobuf, openie, unsupported-operation |
| useAdaDelta is currently only supported for Prior.NONE or… | exception | error | java, optimization, unsupported-combination |
| Heads were incorrectly assigned: tree's head is not matched… | exception | error | parser, training, head-finding, invariant |
| Type mismatch on arg1: Cannot apply | validation | error | java, sutime, type-mismatch, quantifier |
| Word vectors file has dimension too small for requested… | exception | error | java, stanford-nlp, embeddings, dimension-mismatch |
| : Entry doesn't have overwriteable types , but entry type… | console | warning | nlp, ner, configuration, warning |
| Illegal number of nodes given to createSubtree ( | exception | error | parser, tsurgeon, arity |
| Invalid classifier type | validation | error | java, configuration, machine-learning |
| retainAll not implemented | exception | error | unsupported-operation, collection, interval-tree |
| Attribute match already defined: | exception | error | parser, tokensregex, java, coremap, duplicate-key |
| Can only operate on preterminals | validation | error | java, nlp, trees, precondition |
| Unable to process node attribute keys for Ssurgeon operation | exception | error | java, ssurgeon, validation, attribute-parse |
| Unrecognized compound relation | validation | error | java, parse-exception, semgrex, unknown-relation |
| conditionalLogProbsGivenPrevious requires given one less… | exception | error | java, nlp, crf, argument-validation |
| Between when the outgoing edge was found and now, the edge… | exception | error | ssurgeon, semgraph, invariant |
| Cannot find matching labelled span for | exception | error | java, conll, annotation-parsing, malformed-input |
| Subtree cannot contain cycle leading back to root node! | exception | error | java, ssurgeon, graph, cycle |
| ChineseUtils: Unsupported parameter option: ascii= | validation | error | java, validation, normalization |
| Invalid class in file: | exception | error | serialization, version-mismatch, classpath, java |
| RuntimeIOException wrapping IOException from file open | exception | error | java, io, file-open |
| Unknown prior type: | exception | error | crf, prior, invalid-argument, config |
| ERROR: Invalid line " + lineCount + " in regexner file " +… | exception | error | java, config-file, number-format, nlp |
| : Term lacks morpho analysis | exception | error | java, stanford-parser, arabic, missing-data, treebank |
| Could not create l1 minimizer! Reverting to l2. | console | warning | reflection, classpath, fallback, kbp |
| need to do training first! | exception | error | java, initialization, nlp, missing-model |
| Not a valid quotes style: | exception | error | tokenizer, configuration, java, corenlp, enum |
| Suffix pointer moved too far! | exception | error | java, nlp, invariant, arabic-morphology |