Syntax errors are not reported in Syntax (aka Lightweight) mode

[fbricon]

Using vscode-java 0.64.0, a maven project opened in lightweight mode, no syntax errors are reported at all

[fbricon]

Server trace:

[Trace - 7:24:35 p.m.] Sending request 'initialize - (0)'.
Params: {
    "processId": 83711,
    "clientInfo": {
        "name": "vscode",
        "version": "1.46.1"
    },
    "rootPath": "/Users/fbricon/Dev/souk/demolix",
    "rootUri": "file:///Users/fbricon/Dev/souk/demolix",
    "capabilities": {
        "workspace": {
            "applyEdit": true,
            "workspaceEdit": {
                "documentChanges": true,
                "resourceOperations": [
                    "create",
                    "rename",
                    "delete"
                ],
                "failureHandling": "textOnlyTransactional"
            },
            "didChangeConfiguration": {
                "dynamicRegistration": true
            },
            "didChangeWatchedFiles": {
                "dynamicRegistration": true
            },
            "symbol": {
                "dynamicRegistration": true,
                "symbolKind": {
                    "valueSet": [
                        1,
                        2,
                        3,
                        4,
                        5,
                        6,
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                        8,
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                        10,
                        11,
                        12,
                        13,
                        14,
                        15,
                        16,
                        17,
                        18,
                        19,
                        20,
                        21,
                        22,
                        23,
                        24,
                        25,
                        26
                    ]
                }
            },
            "executeCommand": {
                "dynamicRegistration": true
            },
            "configuration": true,
            "workspaceFolders": true
        },
        "textDocument": {
            "publishDiagnostics": {
                "relatedInformation": true,
                "tagSupport": {
                    "valueSet": [
                        1,
                        2
                    ]
                }
            },
            "synchronization": {
                "dynamicRegistration": true,
                "willSave": true,
                "willSaveWaitUntil": true,
                "didSave": true
            },
            "completion": {
                "dynamicRegistration": true,
                "contextSupport": true,
                "completionItem": {
                    "snippetSupport": true,
                    "commitCharactersSupport": true,
                    "documentationFormat": [
                        "markdown",
                        "plaintext"
                    ],
                    "deprecatedSupport": true,
                    "preselectSupport": true,
                    "tagSupport": {
                        "valueSet": [
                            1
                        ]
                    }
                },
                "completionItemKind": {
                    "valueSet": [
                        1,
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                        11,
                        12,
                        13,
                        14,
                        15,
                        16,
                        17,
                        18,
                        19,
                        20,
                        21,
                        22,
                        23,
                        24,
                        25
                    ]
                }
            },
            "hover": {
                "dynamicRegistration": true,
                "contentFormat": [
                    "markdown",
                    "plaintext"
                ]
            },
            "signatureHelp": {
                "dynamicRegistration": true,
                "signatureInformation": {
                    "documentationFormat": [
                        "markdown",
                        "plaintext"
                    ],
                    "parameterInformation": {
                        "labelOffsetSupport": true
                    }
                },
                "contextSupport": true
            },
            "definition": {
                "dynamicRegistration": true,
                "linkSupport": true
            },
            "references": {
                "dynamicRegistration": true
            },
            "documentHighlight": {
                "dynamicRegistration": true
            },
            "documentSymbol": {
                "dynamicRegistration": true,
                "symbolKind": {
                    "valueSet": [
                        1,
                        2,
                        3,
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                        5,
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                        14,
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                        16,
                        17,
                        18,
                        19,
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                        22,
                        23,
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                    ]
                },
                "hierarchicalDocumentSymbolSupport": true
            },
            "codeAction": {
                "dynamicRegistration": true,
                "isPreferredSupport": true,
                "codeActionLiteralSupport": {
                    "codeActionKind": {
                        "valueSet": [
                            "",
                            "quickfix",
                            "refactor",
                            "refactor.extract",
                            "refactor.inline",
                            "refactor.rewrite",
                            "source",
                            "source.organizeImports"
                        ]
                    }
                }
            },
            "codeLens": {
                "dynamicRegistration": true
            },
            "formatting": {
                "dynamicRegistration": true
            },
            "rangeFormatting": {
                "dynamicRegistration": true
            },
            "onTypeFormatting": {
                "dynamicRegistration": true
            },
            "rename": {
                "dynamicRegistration": true,
                "prepareSupport": true
            },
            "documentLink": {
                "dynamicRegistration": true,
                "tooltipSupport": true
            },
            "typeDefinition": {
                "dynamicRegistration": true,
                "linkSupport": true
            },
            "implementation": {
                "dynamicRegistration": true,
                "linkSupport": true
            },
            "colorProvider": {
                "dynamicRegistration": true
            },
            "foldingRange": {
                "dynamicRegistration": true,
                "rangeLimit": 5000,
                "lineFoldingOnly": true
            },
            "declaration": {
                "dynamicRegistration": true,
                "linkSupport": true
            },
            "selectionRange": {
                "dynamicRegistration": true
            }
        }
    },
    "initializationOptions": {
        "bundles": [
            "/Users/fbricon/.vscode/extensions/redhat.vscode-quarkus-1.6.0/jars/com.redhat.microprofile.jdt.core.jar",
            "/Users/fbricon/.vscode/extensions/redhat.vscode-quarkus-1.6.0/jars/com.redhat.microprofile.jdt.quarkus.jar",
            "/Users/fbricon/.vscode/extensions/vscjava.vscode-java-debug-0.26.0/server/com.microsoft.java.debug.plugin-0.26.0.jar"
        ],
        "workspaceFolders": [
            "file:///Users/fbricon/Dev/souk/demolix"
        ],
        "settings": {
            "java": {
                "home": "/Users/fbricon/.sdkman/candidates/java/8.0.212-zulu",
                "jdt": {
                    "ls": {
                        "vmargs": "-XX:+UseParallelGC -XX:GCTimeRatio=4 -XX:AdaptiveSizePolicyWeight=90 -Dsun.zip.disableMemoryMapping=true -Xmx1G -Xms100m -javaagent:\"/Users/fbricon/.vscode/extensions/gabrielbb.vscode-lombok-1.0.1/server/lombok.jar\""
                    }
                },
                "errors": {
                    "incompleteClasspath": {
                        "severity": "warning"
                    }
                },
                "configuration": {
                    "checkProjectSettingsExclusions": true,
                    "updateBuildConfiguration": "interactive",
                    "maven": {
                        "userSettings": null
                    },
                    "runtimes": [
                        {
                            "name": "JavaSE-1.8",
                            "path": "/Users/fbricon/.sdkman/candidates/java/8.0.212-zulu"
                        },
                        {
                            "name": "JavaSE-11",
                            "path": "/Users/fbricon/.sdkman/candidates/java/11.0.6.hs-adpt"
                        },
                        {
                            "name": "JavaSE-13",
                            "path": "/Users/fbricon/.sdkman/candidates/java/13.0.1.hs-adpt"
                        },
                        {
                            "name": "JavaSE-14",
                            "path": "/Users/fbricon/.sdkman/candidates/java/14.0.0-open",
                            "default": true
                        }
                    ]
                },
                "trace": {
                    "server": "verbose"
                },
                "import": {
                    "maven": {
                        "enabled": true
                    },
                    "gradle": {
                        "enabled": true,
                        "wrapper": {
                            "enabled": true
                        },
                        "offline": {
                            "enabled": true
                        },
                        "version": null,
                        "arguments": null,
                        "jvmArguments": null,
                        "home": null,
                        "user": {
                            "home": null
                        }
                    },
                    "exclusions": [
                        "**/node_modules/**",
                        "**/.metadata/**",
                        "**/archetype-resources/**",
                        "**/META-INF/maven/**"
                    ]
                },
                "maven": {
                    "downloadSources": false,
                    "updateSnapshots": false
                },
                "referencesCodeLens": {
                    "enabled": false
                },
                "signatureHelp": {
                    "enabled": false
                },
                "implementationsCodeLens": {
                    "enabled": false
                },
                "format": {
                    "enabled": true,
                    "settings": {
                        "url": null,
                        "profile": null
                    },
                    "comments": {
                        "enabled": true
                    },
                    "onType": {
                        "enabled": true
                    }
                },
                "saveActions": {
                    "organizeImports": false
                },
                "project": {
                    "referencedLibraries": [
                        "lib/**/*.jar"
                    ],
                    "importOnFirstTimeStartup": "interactive",
                    "importHint": true
                },
                "contentProvider": {
                    "preferred": null
                },
                "autobuild": {
                    "enabled": true
                },
                "maxConcurrentBuilds": 1,
                "completion": {
                    "maxResults": 0,
                    "enabled": true,
                    "overwrite": true,
                    "guessMethodArguments": false,
                    "favoriteStaticMembers": [
                        "org.junit.Assert.*",
                        "org.junit.Assume.*",
                        "org.junit.jupiter.api.Assertions.*",
                        "org.junit.jupiter.api.Assumptions.*",
                        "org.junit.jupiter.api.DynamicContainer.*",
                        "org.junit.jupiter.api.DynamicTest.*",
                        "org.mockito.Mockito.*",
                        "org.mockito.ArgumentMatchers.*",
                        "org.mockito.Answers.*"
                    ],
                    "filteredTypes": [
                        "java.awt.*",
                        "com.sun.*"
                    ],
                    "importOrder": [
                        "java",
                        "javax",
                        "com",
                        "org"
                    ]
                },
                "foldingRange": {
                    "enabled": true
                },
                "progressReports": {
                    "enabled": true
                },
                "codeGeneration": {
                    "hashCodeEquals": {
                        "useJava7Objects": false,
                        "useInstanceof": false
                    },
                    "useBlocks": false,
                    "generateComments": false,
                    "toString": {
                        "template": "${object.className} [${member.name()}=${member.value}, ${otherMembers}]",
                        "codeStyle": "STRING_CONCATENATION",
                        "skipNullValues": false,
                        "listArrayContents": true,
                        "limitElements": 0
                    }
                },
                "selectionRange": {
                    "enabled": true
                },
                "showBuildStatusOnStart": {
                    "enabled": false
                },
                "server": {
                    "launchMode": "LightWeight"
                },
                "sources": {
                    "organizeImports": {
                        "starThreshold": 99,
                        "staticStarThreshold": 99
                    }
                },
                "semanticHighlighting": {
                    "enabled": true
                },
                "requirements": {
                    "JDK11Warning": false
                },
                "refactor": {
                    "renameFromFileExplorer": "autoApply"
                },
                "imports": {
                    "gradle": {
                        "wrapper": {
                            "checksums": []
                        }
                    }
                },
                "debug": {
                    "logLevel": "warn",
                    "settings": {
                        "showHex": false,
                        "showStaticVariables": false,
                        "showQualifiedNames": false,
                        "showLogicalStructure": true,
                        "showToString": true,
                        "maxStringLength": 0,
                        "numericPrecision": 0,
                        "hotCodeReplace": "manual",
                        "enableRunDebugCodeLens": true,
                        "forceBuildBeforeLaunch": true,
                        "console": "internalConsole"
                    }
                }
            }
        },
        "extendedClientCapabilities": {
            "progressReportProvider": true,
            "classFileContentsSupport": true,
            "overrideMethodsPromptSupport": true,
            "hashCodeEqualsPromptSupport": true,
            "advancedOrganizeImportsSupport": true,
            "generateToStringPromptSupport": true,
            "advancedGenerateAccessorsSupport": true,
            "generateConstructorsPromptSupport": true,
            "generateDelegateMethodsPromptSupport": true,
            "advancedExtractRefactoringSupport": true,
            "moveRefactoringSupport": true,
            "clientHoverProvider": true,
            "clientDocumentSymbolProvider": true,
            "gradleChecksumWrapperPromptSupport": true,
            "resolveAdditionalTextEditsSupport": true
        },
        "triggerFiles": [
            "file:///Users/fbricon/Dev/souk/demolix/src/main/java/foo/bar/demo/App.java"
        ]
    },
    "trace": "verbose",
    "workspaceFolders": [
        {
            "uri": "file:///Users/fbricon/Dev/souk/demolix",
            "name": "demolix"
        }
    ]
}


[Trace - 7:24:38 p.m.] Received response 'initialize - (0)' in 2890ms.
Result: {
    "capabilities": {
        "textDocumentSync": {
            "openClose": true,
            "change": 2,
            "save": {
                "includeText": true
            }
        },
        "workspace": {
            "workspaceFolders": {
                "supported": true,
                "changeNotifications": true
            }
        }
    }
}


[Trace - 7:24:38 p.m.] Sending notification 'initialized'.
Params: {}


[Trace - 7:24:38 p.m.] Sending notification 'workspace/didChangeConfiguration'.
Params: {
    "settings": {
        "java": {
            "home": "/Users/fbricon/.sdkman/candidates/java/8.0.212-zulu",
            "jdt": {
                "ls": {
                    "vmargs": "-XX:+UseParallelGC -XX:GCTimeRatio=4 -XX:AdaptiveSizePolicyWeight=90 -Dsun.zip.disableMemoryMapping=true -Xmx1G -Xms100m -javaagent:\"/Users/fbricon/.vscode/extensions/gabrielbb.vscode-lombok-1.0.1/server/lombok.jar\""
                }
            },
            "errors": {
                "incompleteClasspath": {
                    "severity": "warning"
                }
            },
            "configuration": {
                "checkProjectSettingsExclusions": true,
                "updateBuildConfiguration": "interactive",
                "maven": {
                    "userSettings": null
                },
                "runtimes": [
                    {
                        "name": "JavaSE-1.8",
                        "path": "/Users/fbricon/.sdkman/candidates/java/8.0.212-zulu"
                    },
                    {
                        "name": "JavaSE-11",
                        "path": "/Users/fbricon/.sdkman/candidates/java/11.0.6.hs-adpt"
                    },
                    {
                        "name": "JavaSE-13",
                        "path": "/Users/fbricon/.sdkman/candidates/java/13.0.1.hs-adpt"
                    },
                    {
                        "name": "JavaSE-14",
                        "path": "/Users/fbricon/.sdkman/candidates/java/14.0.0-open",
                        "default": true
                    }
                ]
            },
            "trace": {
                "server": "verbose"
            },
            "import": {
                "maven": {
                    "enabled": true
                },
                "gradle": {
                    "enabled": true,
                    "wrapper": {
                        "enabled": true
                    },
                    "offline": {
                        "enabled": true
                    },
                    "version": null,
                    "arguments": null,
                    "jvmArguments": null,
                    "home": null,
                    "user": {
                        "home": null
                    }
                },
                "exclusions": [
                    "**/node_modules/**",
                    "**/.metadata/**",
                    "**/archetype-resources/**",
                    "**/META-INF/maven/**"
                ]
            },
            "maven": {
                "downloadSources": false,
                "updateSnapshots": false
            },
            "referencesCodeLens": {
                "enabled": false
            },
            "signatureHelp": {
                "enabled": false
            },
            "implementationsCodeLens": {
                "enabled": false
            },
            "format": {
                "enabled": true,
                "settings": {
                    "url": null,
                    "profile": null
                },
                "comments": {
                    "enabled": true
                },
                "onType": {
                    "enabled": true
                }
            },
            "saveActions": {
                "organizeImports": false
            },
            "project": {
                "referencedLibraries": [
                    "lib/**/*.jar"
                ],
                "importOnFirstTimeStartup": "interactive",
                "importHint": true
            },
            "contentProvider": {
                "preferred": null
            },
            "autobuild": {
                "enabled": true
            },
            "maxConcurrentBuilds": 1,
            "completion": {
                "maxResults": 0,
                "enabled": true,
                "overwrite": true,
                "guessMethodArguments": false,
                "favoriteStaticMembers": [
                    "org.junit.Assert.*",
                    "org.junit.Assume.*",
                    "org.junit.jupiter.api.Assertions.*",
                    "org.junit.jupiter.api.Assumptions.*",
                    "org.junit.jupiter.api.DynamicContainer.*",
                    "org.junit.jupiter.api.DynamicTest.*",
                    "org.mockito.Mockito.*",
                    "org.mockito.ArgumentMatchers.*",
                    "org.mockito.Answers.*"
                ],
                "filteredTypes": [
                    "java.awt.*",
                    "com.sun.*"
                ],
                "importOrder": [
                    "java",
                    "javax",
                    "com",
                    "org"
                ]
            },
            "foldingRange": {
                "enabled": true
            },
            "progressReports": {
                "enabled": true
            },
            "codeGeneration": {
                "hashCodeEquals": {
                    "useJava7Objects": false,
                    "useInstanceof": false
                },
                "useBlocks": false,
                "generateComments": false,
                "toString": {
                    "template": "${object.className} [${member.name()}=${member.value}, ${otherMembers}]",
                    "codeStyle": "STRING_CONCATENATION",
                    "skipNullValues": false,
                    "listArrayContents": true,
                    "limitElements": 0
                }
            },
            "selectionRange": {
                "enabled": true
            },
            "showBuildStatusOnStart": {
                "enabled": false
            },
            "server": {
                "launchMode": "LightWeight"
            },
            "sources": {
                "organizeImports": {
                    "starThreshold": 99,
                    "staticStarThreshold": 99
                }
            },
            "semanticHighlighting": {
                "enabled": true
            },
            "requirements": {
                "JDK11Warning": false
            },
            "refactor": {
                "renameFromFileExplorer": "autoApply"
            },
            "imports": {
                "gradle": {
                    "wrapper": {
                        "checksums": []
                    }
                }
            },
            "debug": {
                "logLevel": "warn",
                "settings": {
                    "showHex": false,
                    "showStaticVariables": false,
                    "showQualifiedNames": false,
                    "showLogicalStructure": true,
                    "showToString": true,
                    "maxStringLength": 0,
                    "numericPrecision": 0,
                    "hotCodeReplace": "manual",
                    "enableRunDebugCodeLens": true,
                    "forceBuildBeforeLaunch": true,
                    "console": "internalConsole"
                }
            }
        }
    }
}


[Trace - 7:24:38 p.m.] Sending notification 'textDocument/didOpen'.
Params: {
    "textDocument": {
        "uri": "file:///Users/fbricon/Dev/souk/demolix/src/main/java/foo/bar/demo/App.java",
        "languageId": "java",
        "version": 1,
        "text": "package foo.bar.demo;\n\npublic class App {\n\n    public static void main(String... args) {\n        String\n    }\n\n}"
    }
}


[Trace - 7:24:39 p.m.] Received notification 'language/status'.
Params: {
    "type": "Started",
    "message": "LightWeightServiceReady"
}


[Trace - 7:24:39 p.m.] Received request 'client/registerCapability - (1)'.
Params: {
    "registrations": [
        {
            "id": "f621289e-815f-46b2-a375-7951adca02ce",
            "method": "textDocument/completion",
            "registerOptions": {
                "resolveProvider": true,
                "triggerCharacters": [
                    ".",
                    "@",
                    "#",
                    "*"
                ]
            }
        }
    ]
}


[Trace - 7:24:39 p.m.] Sending response 'client/registerCapability - (1)'. Processing request took 1ms
No result returned.


[Trace - 7:24:39 p.m.] Received request 'client/registerCapability - (2)'.
Params: {
    "registrations": [
        {
            "id": "97987d21-0170-4335-bd75-73a7792d0be6",
            "method": "textDocument/definition"
        }
    ]
}


[Trace - 7:24:39 p.m.] Sending response 'client/registerCapability - (2)'. Processing request took 1ms
No result returned.


[Trace - 7:24:39 p.m.] Received request 'client/registerCapability - (3)'.
Params: {
    "registrations": [
        {
            "id": "44e61b01-f9bf-45bd-9775-63927fdb70df",
            "method": "textDocument/typeDefinition"
        }
    ]
}


[Trace - 7:24:39 p.m.] Sending response 'client/registerCapability - (3)'. Processing request took 0ms
No result returned.


[Trace - 7:24:39 p.m.] Received request 'client/registerCapability - (4)'.
Params: {
    "registrations": [
        {
            "id": "e59f5ea7-bfef-463a-83d4-d4c5b7774808",
            "method": "textDocument/foldingRange"
        }
    ]
}


[Trace - 7:24:39 p.m.] Sending response 'client/registerCapability - (4)'. Processing request took 0ms
No result returned.


[Trace - 7:24:39 p.m.] Received request 'client/registerCapability - (5)'.
Params: {
    "registrations": [
        {
            "id": "e71a10b2-72ed-4296-8fbf-60ff18b62d1e",
            "method": "textDocument/selectionRange"
        }
    ]
}


[Trace - 7:24:39 p.m.] Sending response 'client/registerCapability - (5)'. Processing request took 1ms
No result returned.


[Trace - 7:24:39 p.m.] Received request 'client/registerCapability - (6)'.
Params: {
    "registrations": [
        {
            "id": "364b3b38-962b-4679-86cb-dd322b77334e",
            "method": "workspace/didChangeWatchedFiles",
            "registerOptions": {
                "watchers": [
                    {
                        "globPattern": "**/*.java"
                    },
                    {
                        "globPattern": "/Users/fbricon/Dev/souk/demolix/src/test/java/**"
                    },
                    {
                        "globPattern": "/Users/fbricon/Dev/souk/demolix/src/main/java/**"
                    }
                ]
            }
        }
    ]
}


[Trace - 7:24:39 p.m.] Sending response 'client/registerCapability - (6)'. Processing request took 1ms
No result returned.


[Trace - 7:24:39 p.m.] Sending request 'textDocument/foldingRange - (1)'.
Params: {
    "textDocument": {
        "uri": "file:///Users/fbricon/Dev/souk/demolix/src/main/java/foo/bar/demo/App.java"
    }
}


[Trace - 7:24:40 p.m.] Received response 'textDocument/foldingRange - (1)' in 979ms.
Result: [
    {
        "startLine": 2,
        "endLine": 8
    },
    {
        "startLine": 4,
        "endLine": 6
    }
]


[Trace - 7:24:41 p.m.] Received notification 'textDocument/publishDiagnostics'.
Params: {
    "uri": "file:///Users/fbricon/Dev/souk/demolix/src/main/java/foo/bar/demo/App.java",
    "diagnostics": []
}

[testforstephen]

Cannot reproduce it.

@fbricon Can you try to debug JLS since you have the environment?

[fbricon]

Not reproduceable