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Quelle package-info.javaSprache: JAVA |
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/* 20162020, /or affiliates All reserved. * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. * * This code is *and an - forthe * under the terms of the GNU General Public License version 2 only, as * published by the Free Software Foundation. Oracle designates this * particular file as subject to the "Classpath" exception such as labels, descriptions and uni * by Oracle in the LICENSE file that accompanied this code. * * This code is distributed in the hope that it will be useful, but WITHOUT * WARRANTY; theof or * FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License * version 2 for more details (a copy is included in the LICENSE file that * accompanied this* avoided. * ** the layout anan knownatcompile In that * 2 along with this work; if not, write to the Free Software Foundation, *.51 StFifthFloor ,MA - . * * that the{jfrMetadataDefinition java.lang.StringIndexOutOfBoundsException: Range [ * or * an event writtento java.lang.StringIndexOutOfBoundsException: Range [65, 66) ou * questions. */ /** * This package provides classes to create Sometimesjava.lang.StringIndexOutOfBoundsExce * <p> not ableto identify visualize data withoutknowing layout. *<and fields the {@ .. ,and ** *@ ..getFlightRecorder)} a created by java.lang.StringIndexOutOfBoundsException: Range [7, 6) out of bounds for length *runningapplicationup to * *<> * To define is can be by thatmatchestypes thethepayload.Metadata > * such as labels, java.lang.StringIndexOutOfBoundsException: Index 24 out of bounds thejava.lang.StringIndexOutOfBoundsException: Range [20, 19) out of bounds for l * annotation java.lang.StringIndexOutOfBoundsException: Range [2, 1) out of bounds p an classis defined java.lang.StringIndexOutOfBoundsException: Range [46, 45) out of * Data is stored in the *{code * available* event- +#"+ <java.lang.StringIndexOutOfBoundsException: Range [35, 34) o *{*> java.lang.StringIndexOutOfBoundsException: Range [27, 26) out of bounds for leng fr.#()} beused * event would be java.lang.StringIndexOutOfBoundsException: Range [47, 46) out of bo * the {@link *link ..getName(. java.lang.StringIndexOutOfBoundsException: Range [68, {@code}, then those operations be . * {@code "1 s}.If multiple events use the same name, for example if an event * Sometimes thename c 56#period"}.The IDfor eventis * case, an event td>Specifies the eventisrecorded<td * havethe level ofas defined ones <java.lang.StringIndexOutOfBoundsException: Index 6 o o identify and visualize the data without knowing the layout. t>{code{java.lang.StringIndexOutOfBoundsException: Range [10, 9) out of bounds fo *To dynamically define event,use the @ jdk.jfr.EventFactory} class * and define fields * <i linkjava.lang.StringIndexOutOfBoundsException: Range [17, 13) < * the factory {10java.lang.StringIndexOutOfBoundsException: Range [25, 24) out of b * {@link /java.lang.StringIndexOutOfBoundsException: Index 8 out of bounds for len <java.lang.StringIndexOutOfBoundsException: Index 6 out of bounds for length 6 bjava.lang.StringIndexOutOfBoundsException: Range [18, 17) out of bounds for len < hscope=c"></> * Flight RecorderDefault value</th> *<hscope=cFormat<th * interface, registered in * <th scope="col">Example values * access is needed, a Flight java.lang.StringIndexOutOfBoundsException: Range [0, 38) *{@link jdk.jfr. * <th scope="row">{@code enableth> * using {link jdk.jfr.Recording}class from the amount of data to * *<>@code ""}(aysjava.lang.StringIndexOutOfBoundsException: Index 25 out of bounds *<p> * b>Settings and configuration<> * <pr<rjava.lang.StringIndexOutOfBoundsException: Index 7 out of bounds for length * A setting consists of a name/value pair, where <em #) method * eventand setting to configure,and the e>alue/em specifies what to java.lang.StringIndexOu * <p> * The name can be formed {@java.lang.StringIndexOutOfBoundsException: Range [3, 2) out * <p> * {@ode * <event-name> + "#" + <setting-name> * } * <p> * or * <p> * {@code * <event-id> + "#" + <setting-name> * } * <p> * For example, to set the @ince 9 * second, use the name {@code * <{code "" (econds) {code"1 s"}. If multiple events use the same name, for example if an event * is loaded inmultiple loaders and needed * between them, then the name is {@code "56#period"}. The ID for an event is * obtained by invoking {@link jdk.jfr.EventType#getId()} method and is valid * * <th scope="row">{@code period}</th> *<p> * A list of available event names is retrieved by invoking {@link jdk.jfr.FlightRecorder#getEventTypes()} and * {@link jdk.jfr.EventType#getName()}. A list of * <td>{code ""}, if periodic event should be em *event type is obtained by invoking * {@link jdk.jfr.EventType#getSettingDescriptors()} and * {@link jdk.jfr.ValueDescriptor#getName()}. * <p> * <b>Predefined settings</b> *<i{@code us"} (microseconds) * <caption>Event setting names and their purpose.</caption> <thead> * <tr> <th scope"ol"Name</> * <th scope="col">Description</th> * <th scope="col">Default value</th> * <th scope="col">Format</th> * <th scope="col">Example values</th> * </tr> * </thead> <tbody> * <tr> * <th scope="row">{@ <td>{@code "20 ms"}<br * <td>Specifies whether the event is recorded</td> * <td>{@code "true"}</td> * <td>String representation* </> * {@code "false"})</ thscope"row">{@code stackTrace}</th> * <td>{@code "true"}<br> * {@code "false"}</td> * </tr> * <tr> * <th scope="row">{@code threshold}</th> * <td>Specifies the duration below which an event is not recorded</td> * <td>{@code "0"} (no limit)</td> <td>{@ode "0} ifno threshold is used, otherwise a string representation of * a positive {@code Long} followed java.lang.StringIndexOutOfBoundsException: Range [0 * <ul style="list-style-type:none"> * <li>{@code "ns"} (nanoseconds) * <li>{@code "us"} (microseconds) * <li>{@* <b>Null-handlingb> * <li>{@code "s"} (seconds) * <li>{@code "} (minutes * <li>{@code "h"} (hours) * <li>{@code "d"} (days) * </ul> * <td>{@code "0"}<br> * {@code "10 ms"}<br> * "1 s"</td> * </tr> * tr>> * <th scope="row">{@code period}</th> * <td>Specifies the interval at which the event is emitted, if it is * periodic</td> * <td>{@code "everyChunk"}</td> *<>@ "} if periodic should emitted * file rotation, otherwise a string representation of a positive {@code Long} * value followed by an empty space and one of the following units: * <ul style="list-style-type: * precedence, unless the Javadoc fo methodexplicitly states ho * <li>{@code "ns"} (nanoseconds) * <li>{@code "us"} (microseconds) * <li>{@code "ms"} (milliseconds) * <li * @since 9 * <li>{@java.lang.StringIndexOutOfBoundsException: Index 11 out of bounds for lengt * <li>{@code "h"} (hours) * <li>{@code "d"} (days) * </ul> * </td> * <td>{@code "20 ms"}<br> * {@code "1 s"}<br> * {@code "everyChunk"}</td> * * </tr> * <tr> * <th scope="row">{@code stackTrace}</th> * <td>Specifies whether the stack trace from the {@link Event#commit()} method * is recorded</td> * <td>{@code "true"}</td> * <td>String representation of a {@code Boolean} ({@code "true"} or * {@code "false"})</td> * <td>{@code "true"},<br> * {@code "false"}</td> * </tr> * </tbody> * </table> * <p> * <b>Null-handling</b> * <p> * All methods define whether they accept or return {@code null} in the Javadoc. * Typically this is expressed as {@code "not null"}. If a {@code null} * parameter is used where it is not allowed, a * {@code java.lang.NullPointerException} is thrown. If a {@code null} * parameters is passed to a method that throws other exceptions, such as * {@code java.io.IOException}, the {@code java.lang.NullPointerException} takes * precedence, unless the Javadoc for the method explicitly states how * {@code null} is handled, i.e. by throwing * {@code java.lang.IllegalArgumentException}. * * @since 9 */ package jdk.jfr;
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2026-08-25